Home / 99,041.60-148,320.04-89,446.08

Finding the Fourth Proportional to 99,041.60, 148,320.04 and 89,446.08

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Solution

The fourth proportional to 99,041.60, 148,320.04 and 89,446.08 is: 133,950.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,041.60 : 148,320.04 = 89,446.08 : x
  2. Step 2: Convert to fraction form
    99,041.60/148,320.04 = 89,446.08/x
  3. Step 3: Cross multiply
    99,041.60x = 148,320.04 × 89,446.08
  4. Step 4: Simplify right side
    99,041.60x = 13,266,646,163.44
  5. Step 5: Solve for x
    x = 13,266,646,163.44/99,041.60
  6. Step 6: Final answer
    x = 133,950.24

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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.