Home / 48,103.12-72,154.76-16,931.12

Finding the Fourth Proportional to 48,103.12, 72,154.76 and 16,931.12

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Solution

The fourth proportional to 48,103.12, 72,154.76 and 16,931.12 is: 25,396.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,103.12 : 72,154.76 = 16,931.12 : x
  2. Step 2: Convert to fraction form
    48,103.12/72,154.76 = 16,931.12/x
  3. Step 3: Cross multiply
    48,103.12x = 72,154.76 × 16,931.12
  4. Step 4: Simplify right side
    48,103.12x = 1,221,660,900.13
  5. Step 5: Solve for x
    x = 1,221,660,900.13/48,103.12
  6. Step 6: Final answer
    x = 25,396.71

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1.5x scale

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.