Home / 99,585.15-137,425.77-54,263.52

Finding the Fourth Proportional to 99,585.15, 137,425.77 and 54,263.52

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Solution

The fourth proportional to 99,585.15, 137,425.77 and 54,263.52 is: 74,882.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,585.15 : 137,425.77 = 54,263.52 : x
  2. Step 2: Convert to fraction form
    99,585.15/137,425.77 = 54,263.52/x
  3. Step 3: Cross multiply
    99,585.15x = 137,425.77 × 54,263.52
  4. Step 4: Simplify right side
    99,585.15x = 7,457,206,018.91
  5. Step 5: Solve for x
    x = 7,457,206,018.91/99,585.15
  6. Step 6: Final answer
    x = 74,882.71

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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.