Home / 83,069.76-124,477.02-56,381.04

Finding the Fourth Proportional to 83,069.76, 124,477.02 and 56,381.04

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Solution

The fourth proportional to 83,069.76, 124,477.02 and 56,381.04 is: 84,484.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,069.76 : 124,477.02 = 56,381.04 : x
  2. Step 2: Convert to fraction form
    83,069.76/124,477.02 = 56,381.04/x
  3. Step 3: Cross multiply
    83,069.76x = 124,477.02 × 56,381.04
  4. Step 4: Simplify right side
    83,069.76x = 7,018,143,843.70
  5. Step 5: Solve for x
    x = 7,018,143,843.70/83,069.76
  6. Step 6: Final answer
    x = 84,484.94

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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.