Home / 91,032.36-136,548.40-25,368.36

Finding the Fourth Proportional to 91,032.36, 136,548.40 and 25,368.36

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Solution

The fourth proportional to 91,032.36, 136,548.40 and 25,368.36 is: 38,052.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,032.36 : 136,548.40 = 25,368.36 : x
  2. Step 2: Convert to fraction form
    91,032.36/136,548.40 = 25,368.36/x
  3. Step 3: Cross multiply
    91,032.36x = 136,548.40 × 25,368.36
  4. Step 4: Simplify right side
    91,032.36x = 3,464,008,968.62
  5. Step 5: Solve for x
    x = 3,464,008,968.62/91,032.36
  6. Step 6: Final answer
    x = 38,052.50

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.