Home / 91,716.48-137,594.40-29,386.56

Finding the Fourth Proportional to 91,716.48, 137,594.40 and 29,386.56

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Solution

The fourth proportional to 91,716.48, 137,594.40 and 29,386.56 is: 44,086.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,716.48 : 137,594.40 = 29,386.56 : x
  2. Step 2: Convert to fraction form
    91,716.48/137,594.40 = 29,386.56/x
  3. Step 3: Cross multiply
    91,716.48x = 137,594.40 × 29,386.56
  4. Step 4: Simplify right side
    91,716.48x = 4,043,426,091.26
  5. Step 5: Solve for x
    x = 4,043,426,091.26/91,716.48
  6. Step 6: Final answer
    x = 44,086.15

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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.