Home / 99,130.55-148,697.06-29,011.28

Finding the Fourth Proportional to 99,130.55, 148,697.06 and 29,011.28

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Solution

The fourth proportional to 99,130.55, 148,697.06 and 29,011.28 is: 43,517.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,130.55 : 148,697.06 = 29,011.28 : x
  2. Step 2: Convert to fraction form
    99,130.55/148,697.06 = 29,011.28/x
  3. Step 3: Cross multiply
    99,130.55x = 148,697.06 × 29,011.28
  4. Step 4: Simplify right side
    99,130.55x = 4,313,891,154.30
  5. Step 5: Solve for x
    x = 4,313,891,154.30/99,130.55
  6. Step 6: Final answer
    x = 43,517.27

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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.