Home / 95,147.28-142,721.28-28,587.60

Finding the Fourth Proportional to 95,147.28, 142,721.28 and 28,587.60

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Solution

The fourth proportional to 95,147.28, 142,721.28 and 28,587.60 is: 42,881.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,147.28 : 142,721.28 = 28,587.60 : x
  2. Step 2: Convert to fraction form
    95,147.28/142,721.28 = 28,587.60/x
  3. Step 3: Cross multiply
    95,147.28x = 142,721.28 × 28,587.60
  4. Step 4: Simplify right side
    95,147.28x = 4,080,058,864.13
  5. Step 5: Solve for x
    x = 4,080,058,864.13/95,147.28
  6. Step 6: Final answer
    x = 42,881.51

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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.