Home / 83,055.20-124,582.80-59,727.20

Finding the Fourth Proportional to 83,055.20, 124,582.80 and 59,727.20

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Solution

The fourth proportional to 83,055.20, 124,582.80 and 59,727.20 is: 89,590.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,055.20 : 124,582.80 = 59,727.20 : x
  2. Step 2: Convert to fraction form
    83,055.20/124,582.80 = 59,727.20/x
  3. Step 3: Cross multiply
    83,055.20x = 124,582.80 × 59,727.20
  4. Step 4: Simplify right side
    83,055.20x = 7,440,981,812.16
  5. Step 5: Solve for x
    x = 7,440,981,812.16/83,055.20
  6. Step 6: Final answer
    x = 89,590.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.