Home / 91,550.25-126,328.71-53,318.15

Finding the Fourth Proportional to 91,550.25, 126,328.71 and 53,318.15

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Solution

The fourth proportional to 91,550.25, 126,328.71 and 53,318.15 is: 73,572.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,550.25 : 126,328.71 = 53,318.15 : x
  2. Step 2: Convert to fraction form
    91,550.25/126,328.71 = 53,318.15/x
  3. Step 3: Cross multiply
    91,550.25x = 126,328.71 × 53,318.15
  4. Step 4: Simplify right side
    91,550.25x = 6,735,613,151.12
  5. Step 5: Solve for x
    x = 6,735,613,151.12/91,550.25
  6. Step 6: Final answer
    x = 73,572.85

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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.