Home / 99,545.12-137,363.14-59,268.68

Finding the Fourth Proportional to 99,545.12, 137,363.14 and 59,268.68

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Solution

The fourth proportional to 99,545.12, 137,363.14 and 59,268.68 is: 81,785.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,545.12 : 137,363.14 = 59,268.68 : x
  2. Step 2: Convert to fraction form
    99,545.12/137,363.14 = 59,268.68/x
  3. Step 3: Cross multiply
    99,545.12x = 137,363.14 × 59,268.68
  4. Step 4: Simplify right side
    99,545.12x = 8,141,331,988.46
  5. Step 5: Solve for x
    x = 8,141,331,988.46/99,545.12
  6. Step 6: Final answer
    x = 81,785.35

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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.