Home / 91,938.27-126,887.61-51,655.16

Finding the Fourth Proportional to 91,938.27, 126,887.61 and 51,655.16

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Solution

The fourth proportional to 91,938.27, 126,887.61 and 51,655.16 is: 71,291.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,938.27 : 126,887.61 = 51,655.16 : x
  2. Step 2: Convert to fraction form
    91,938.27/126,887.61 = 51,655.16/x
  3. Step 3: Cross multiply
    91,938.27x = 126,887.61 × 51,655.16
  4. Step 4: Simplify right side
    91,938.27x = 6,554,399,162.13
  5. Step 5: Solve for x
    x = 6,554,399,162.13/91,938.27
  6. Step 6: Final answer
    x = 71,291.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.