Home / 47,257.49-70,862.14-15,656.15

Finding the Fourth Proportional to 47,257.49, 70,862.14 and 15,656.15

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Solution

The fourth proportional to 47,257.49, 70,862.14 and 15,656.15 is: 23,476.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,257.49 : 70,862.14 = 15,656.15 : x
  2. Step 2: Convert to fraction form
    47,257.49/70,862.14 = 15,656.15/x
  3. Step 3: Cross multiply
    47,257.49x = 70,862.14 × 15,656.15
  4. Step 4: Simplify right side
    47,257.49x = 1,109,428,489.89
  5. Step 5: Solve for x
    x = 1,109,428,489.89/47,257.49
  6. Step 6: Final answer
    x = 23,476.25

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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.