Home / 103,523.30-155,306.55-59,113.70

Finding the Fourth Proportional to 103,523.30, 155,306.55 and 59,113.70

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Solution

The fourth proportional to 103,523.30, 155,306.55 and 59,113.70 is: 88,682.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,523.30 : 155,306.55 = 59,113.70 : x
  2. Step 2: Convert to fraction form
    103,523.30/155,306.55 = 59,113.70/x
  3. Step 3: Cross multiply
    103,523.30x = 155,306.55 × 59,113.70
  4. Step 4: Simplify right side
    103,523.30x = 9,180,744,804.74
  5. Step 5: Solve for x
    x = 9,180,744,804.74/103,523.30
  6. Step 6: Final answer
    x = 88,682.88

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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.