Home / 47,412.64-71,129.28-16,248.64

Finding the Fourth Proportional to 47,412.64, 71,129.28 and 16,248.64

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Solution

The fourth proportional to 47,412.64, 71,129.28 and 16,248.64 is: 24,376.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,412.64 : 71,129.28 = 16,248.64 : x
  2. Step 2: Convert to fraction form
    47,412.64/71,129.28 = 16,248.64/x
  3. Step 3: Cross multiply
    47,412.64x = 71,129.28 × 16,248.64
  4. Step 4: Simplify right side
    47,412.64x = 1,155,754,064.18
  5. Step 5: Solve for x
    x = 1,155,754,064.18/47,412.64
  6. Step 6: Final answer
    x = 24,376.50

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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.