Home / 99,710.22-149,488.65-51,627.30

Finding the Fourth Proportional to 99,710.22, 149,488.65 and 51,627.30

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Solution

The fourth proportional to 99,710.22, 149,488.65 and 51,627.30 is: 77,401.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,710.22 : 149,488.65 = 51,627.30 : x
  2. Step 2: Convert to fraction form
    99,710.22/149,488.65 = 51,627.30/x
  3. Step 3: Cross multiply
    99,710.22x = 149,488.65 × 51,627.30
  4. Step 4: Simplify right side
    99,710.22x = 7,717,695,380.15
  5. Step 5: Solve for x
    x = 7,717,695,380.15/99,710.22
  6. Step 6: Final answer
    x = 77,401.25

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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.