Home / 42,967.20-64,445.76-16,654.08

Finding the Fourth Proportional to 42,967.20, 64,445.76 and 16,654.08

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Solution

The fourth proportional to 42,967.20, 64,445.76 and 16,654.08 is: 24,979.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,967.20 : 64,445.76 = 16,654.08 : x
  2. Step 2: Convert to fraction form
    42,967.20/64,445.76 = 16,654.08/x
  3. Step 3: Cross multiply
    42,967.20x = 64,445.76 × 16,654.08
  4. Step 4: Simplify right side
    42,967.20x = 1,073,284,842.70
  5. Step 5: Solve for x
    x = 1,073,284,842.70/42,967.20
  6. Step 6: Final answer
    x = 24,979.17

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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.