Home / 102,117.28-153,176.04-49,534.48

Finding the Fourth Proportional to 102,117.28, 153,176.04 and 49,534.48

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Solution

The fourth proportional to 102,117.28, 153,176.04 and 49,534.48 is: 74,301.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,117.28 : 153,176.04 = 49,534.48 : x
  2. Step 2: Convert to fraction form
    102,117.28/153,176.04 = 49,534.48/x
  3. Step 3: Cross multiply
    102,117.28x = 153,176.04 × 49,534.48
  4. Step 4: Simplify right side
    102,117.28x = 7,587,495,489.86
  5. Step 5: Solve for x
    x = 7,587,495,489.86/102,117.28
  6. Step 6: Final answer
    x = 74,301.78

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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.