Home / 124,430.38-171,713.52-67,841.75

Finding the Fourth Proportional to 124,430.38, 171,713.52 and 67,841.75

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Solution

The fourth proportional to 124,430.38, 171,713.52 and 67,841.75 is: 93,621.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,430.38 : 171,713.52 = 67,841.75 : x
  2. Step 2: Convert to fraction form
    124,430.38/171,713.52 = 67,841.75/x
  3. Step 3: Cross multiply
    124,430.38x = 171,713.52 × 67,841.75
  4. Step 4: Simplify right side
    124,430.38x = 11,649,346,124.74
  5. Step 5: Solve for x
    x = 11,649,346,124.74/124,430.38
  6. Step 6: Final answer
    x = 93,621.40

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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.