Home / 52,356.91-72,220.13-45,658.61

Finding the Fourth Proportional to 52,356.91, 72,220.13 and 45,658.61

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Solution

The fourth proportional to 52,356.91, 72,220.13 and 45,658.61 is: 62,980.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,356.91 : 72,220.13 = 45,658.61 : x
  2. Step 2: Convert to fraction form
    52,356.91/72,220.13 = 45,658.61/x
  3. Step 3: Cross multiply
    52,356.91x = 72,220.13 × 45,658.61
  4. Step 4: Simplify right side
    52,356.91x = 3,297,471,044.52
  5. Step 5: Solve for x
    x = 3,297,471,044.52/52,356.91
  6. Step 6: Final answer
    x = 62,980.63

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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.