Home / 98,866.53-136,436.22-53,545.05

Finding the Fourth Proportional to 98,866.53, 136,436.22 and 53,545.05

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Solution

The fourth proportional to 98,866.53, 136,436.22 and 53,545.05 is: 73,892.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,866.53 : 136,436.22 = 53,545.05 : x
  2. Step 2: Convert to fraction form
    98,866.53/136,436.22 = 53,545.05/x
  3. Step 3: Cross multiply
    98,866.53x = 136,436.22 × 53,545.05
  4. Step 4: Simplify right side
    98,866.53x = 7,305,484,221.71
  5. Step 5: Solve for x
    x = 7,305,484,221.71/98,866.53
  6. Step 6: Final answer
    x = 73,892.39

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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.