Home / 107,002.20-147,658.92-58,603.38

Finding the Fourth Proportional to 107,002.20, 147,658.92 and 58,603.38

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Solution

The fourth proportional to 107,002.20, 147,658.92 and 58,603.38 is: 80,870.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,002.20 : 147,658.92 = 58,603.38 : x
  2. Step 2: Convert to fraction form
    107,002.20/147,658.92 = 58,603.38/x
  3. Step 3: Cross multiply
    107,002.20x = 147,658.92 × 58,603.38
  4. Step 4: Simplify right side
    107,002.20x = 8,653,311,799.15
  5. Step 5: Solve for x
    x = 8,653,311,799.15/107,002.20
  6. Step 6: Final answer
    x = 80,870.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.