Home / 102,724.58-141,803.58-62,451.20

Finding the Fourth Proportional to 102,724.58, 141,803.58 and 62,451.20

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Solution

The fourth proportional to 102,724.58, 141,803.58 and 62,451.20 is: 86,209.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,724.58 : 141,803.58 = 62,451.20 : x
  2. Step 2: Convert to fraction form
    102,724.58/141,803.58 = 62,451.20/x
  3. Step 3: Cross multiply
    102,724.58x = 141,803.58 × 62,451.20
  4. Step 4: Simplify right side
    102,724.58x = 8,855,803,579.17
  5. Step 5: Solve for x
    x = 8,855,803,579.17/102,724.58
  6. Step 6: Final answer
    x = 86,209.20

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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.