Home / 99,385.28-148,881.04-64,349.52

Finding the Fourth Proportional to 99,385.28, 148,881.04 and 64,349.52

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Solution

The fourth proportional to 99,385.28, 148,881.04 and 64,349.52 is: 96,396.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,385.28 : 148,881.04 = 64,349.52 : x
  2. Step 2: Convert to fraction form
    99,385.28/148,881.04 = 64,349.52/x
  3. Step 3: Cross multiply
    99,385.28x = 148,881.04 × 64,349.52
  4. Step 4: Simplify right side
    99,385.28x = 9,580,423,461.10
  5. Step 5: Solve for x
    x = 9,580,423,461.10/99,385.28
  6. Step 6: Final answer
    x = 96,396.81

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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.