Home / 72,545.74-100,062.75-59,117.02

Finding the Fourth Proportional to 72,545.74, 100,062.75 and 59,117.02

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Solution

The fourth proportional to 72,545.74, 100,062.75 and 59,117.02 is: 81,540.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,545.74 : 100,062.75 = 59,117.02 : x
  2. Step 2: Convert to fraction form
    72,545.74/100,062.75 = 59,117.02/x
  3. Step 3: Cross multiply
    72,545.74x = 100,062.75 × 59,117.02
  4. Step 4: Simplify right side
    72,545.74x = 5,915,411,593.01
  5. Step 5: Solve for x
    x = 5,915,411,593.01/72,545.74
  6. Step 6: Final answer
    x = 81,540.44

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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.