Home / 96,587.09-133,290.50-54,142.88

Finding the Fourth Proportional to 96,587.09, 133,290.50 and 54,142.88

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Solution

The fourth proportional to 96,587.09, 133,290.50 and 54,142.88 is: 74,717.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,587.09 : 133,290.50 = 54,142.88 : x
  2. Step 2: Convert to fraction form
    96,587.09/133,290.50 = 54,142.88/x
  3. Step 3: Cross multiply
    96,587.09x = 133,290.50 × 54,142.88
  4. Step 4: Simplify right side
    96,587.09x = 7,216,730,609.47
  5. Step 5: Solve for x
    x = 7,216,730,609.47/96,587.09
  6. Step 6: Final answer
    x = 74,717.35

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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.