Home / 91,034.40-136,551.60-57,901.35

Finding the Fourth Proportional to 91,034.40, 136,551.60 and 57,901.35

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Solution

The fourth proportional to 91,034.40, 136,551.60 and 57,901.35 is: 86,852.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,034.40 : 136,551.60 = 57,901.35 : x
  2. Step 2: Convert to fraction form
    91,034.40/136,551.60 = 57,901.35/x
  3. Step 3: Cross multiply
    91,034.40x = 136,551.60 × 57,901.35
  4. Step 4: Simplify right side
    91,034.40x = 7,906,521,984.66
  5. Step 5: Solve for x
    x = 7,906,521,984.66/91,034.40
  6. Step 6: Final answer
    x = 86,852.03

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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.