Home / 48,105.42-72,159.10-16,515.30

Finding the Fourth Proportional to 48,105.42, 72,159.10 and 16,515.30

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Solution

The fourth proportional to 48,105.42, 72,159.10 and 16,515.30 is: 24,773.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,105.42 : 72,159.10 = 16,515.30 : x
  2. Step 2: Convert to fraction form
    48,105.42/72,159.10 = 16,515.30/x
  3. Step 3: Cross multiply
    48,105.42x = 72,159.10 × 16,515.30
  4. Step 4: Simplify right side
    48,105.42x = 1,191,729,184.23
  5. Step 5: Solve for x
    x = 1,191,729,184.23/48,105.42
  6. Step 6: Final answer
    x = 24,773.28

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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.