Home / 99,644.15-149,552.57-52,292.70

Finding the Fourth Proportional to 99,644.15, 149,552.57 and 52,292.70

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Solution

The fourth proportional to 99,644.15, 149,552.57 and 52,292.70 is: 78,484.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,644.15 : 149,552.57 = 52,292.70 : x
  2. Step 2: Convert to fraction form
    99,644.15/149,552.57 = 52,292.70/x
  3. Step 3: Cross multiply
    99,644.15x = 149,552.57 × 52,292.70
  4. Step 4: Simplify right side
    99,644.15x = 7,820,507,247.15
  5. Step 5: Solve for x
    x = 7,820,507,247.15/99,644.15
  6. Step 6: Final answer
    x = 78,484.36

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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.