Home / 66,438.72-99,658.58-24,320.13

Finding the Fourth Proportional to 66,438.72, 99,658.58 and 24,320.13

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Solution

The fourth proportional to 66,438.72, 99,658.58 and 24,320.13 is: 36,480.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,438.72 : 99,658.58 = 24,320.13 : x
  2. Step 2: Convert to fraction form
    66,438.72/99,658.58 = 24,320.13/x
  3. Step 3: Cross multiply
    66,438.72x = 99,658.58 × 24,320.13
  4. Step 4: Simplify right side
    66,438.72x = 2,423,709,499.61
  5. Step 5: Solve for x
    x = 2,423,709,499.61/66,438.72
  6. Step 6: Final answer
    x = 36,480.38

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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.