Home / 102,905.57-141,964.61-60,444.96

Finding the Fourth Proportional to 102,905.57, 141,964.61 and 60,444.96

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Solution

The fourth proportional to 102,905.57, 141,964.61 and 60,444.96 is: 83,387.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,905.57 : 141,964.61 = 60,444.96 : x
  2. Step 2: Convert to fraction form
    102,905.57/141,964.61 = 60,444.96/x
  3. Step 3: Cross multiply
    102,905.57x = 141,964.61 × 60,444.96
  4. Step 4: Simplify right side
    102,905.57x = 8,581,044,870.64
  5. Step 5: Solve for x
    x = 8,581,044,870.64/102,905.57
  6. Step 6: Final answer
    x = 83,387.57

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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.