Home / 124,505.96-171,818.76-67,918.55

Finding the Fourth Proportional to 124,505.96, 171,818.76 and 67,918.55

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Solution

The fourth proportional to 124,505.96, 171,818.76 and 67,918.55 is: 93,727.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,505.96 : 171,818.76 = 67,918.55 : x
  2. Step 2: Convert to fraction form
    124,505.96/171,818.76 = 67,918.55/x
  3. Step 3: Cross multiply
    124,505.96x = 171,818.76 × 67,918.55
  4. Step 4: Simplify right side
    124,505.96x = 11,669,680,182.90
  5. Step 5: Solve for x
    x = 11,669,680,182.90/124,505.96
  6. Step 6: Final answer
    x = 93,727.89

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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.