Home / 88,956.13-122,747.33-53,138.53

Finding the Fourth Proportional to 88,956.13, 122,747.33 and 53,138.53

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Solution

The fourth proportional to 88,956.13, 122,747.33 and 53,138.53 is: 73,323.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,956.13 : 122,747.33 = 53,138.53 : x
  2. Step 2: Convert to fraction form
    88,956.13/122,747.33 = 53,138.53/x
  3. Step 3: Cross multiply
    88,956.13x = 122,747.33 × 53,138.53
  4. Step 4: Simplify right side
    88,956.13x = 6,522,613,044.60
  5. Step 5: Solve for x
    x = 6,522,613,044.60/88,956.13
  6. Step 6: Final answer
    x = 73,323.93

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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.