Home / 99,951.03-149,951.14-70,426.53

Finding the Fourth Proportional to 99,951.03, 149,951.14 and 70,426.53

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Solution

The fourth proportional to 99,951.03, 149,951.14 and 70,426.53 is: 105,657.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,951.03 : 149,951.14 = 70,426.53 : x
  2. Step 2: Convert to fraction form
    99,951.03/149,951.14 = 70,426.53/x
  3. Step 3: Cross multiply
    99,951.03x = 149,951.14 × 70,426.53
  4. Step 4: Simplify right side
    99,951.03x = 10,560,537,997.70
  5. Step 5: Solve for x
    x = 10,560,537,997.70/99,951.03
  6. Step 6: Final answer
    x = 105,657.12

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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.