Home / 99,680.15-149,494.54-29,543.06

Finding the Fourth Proportional to 99,680.15, 149,494.54 and 29,543.06

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Solution

The fourth proportional to 99,680.15, 149,494.54 and 29,543.06 is: 44,306.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,680.15 : 149,494.54 = 29,543.06 : x
  2. Step 2: Convert to fraction form
    99,680.15/149,494.54 = 29,543.06/x
  3. Step 3: Cross multiply
    99,680.15x = 149,494.54 × 29,543.06
  4. Step 4: Simplify right side
    99,680.15x = 4,416,526,164.89
  5. Step 5: Solve for x
    x = 4,416,526,164.89/99,680.15
  6. Step 6: Final answer
    x = 44,306.98

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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.