Home / 99,849.10-149,838.04-64,306.70

Finding the Fourth Proportional to 99,849.10, 149,838.04 and 64,306.70

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Solution

The fourth proportional to 99,849.10, 149,838.04 and 64,306.70 is: 96,501.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,849.10 : 149,838.04 = 64,306.70 : x
  2. Step 2: Convert to fraction form
    99,849.10/149,838.04 = 64,306.70/x
  3. Step 3: Cross multiply
    99,849.10x = 149,838.04 × 64,306.70
  4. Step 4: Simplify right side
    99,849.10x = 9,635,589,886.87
  5. Step 5: Solve for x
    x = 9,635,589,886.87/99,849.10
  6. Step 6: Final answer
    x = 96,501.52

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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.