Home / 91,730.24-126,470.55-59,407.75

Finding the Fourth Proportional to 91,730.24, 126,470.55 and 59,407.75

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Solution

The fourth proportional to 91,730.24, 126,470.55 and 59,407.75 is: 81,906.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,730.24 : 126,470.55 = 59,407.75 : x
  2. Step 2: Convert to fraction form
    91,730.24/126,470.55 = 59,407.75/x
  3. Step 3: Cross multiply
    91,730.24x = 126,470.55 × 59,407.75
  4. Step 4: Simplify right side
    91,730.24x = 7,513,329,887.37
  5. Step 5: Solve for x
    x = 7,513,329,887.37/91,730.24
  6. Step 6: Final answer
    x = 81,906.79

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1.5x scale

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.