Home / 107,338.32-161,061-48,216.24

Finding the Fourth Proportional to 107,338.32, 161,061 and 48,216.24

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Solution

The fourth proportional to 107,338.32, 161,061 and 48,216.24 is: 72,348.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,338.32 : 161,061 = 48,216.24 : x
  2. Step 2: Convert to fraction form
    107,338.32/161,061 = 48,216.24/x
  3. Step 3: Cross multiply
    107,338.32x = 161,061 × 48,216.24
  4. Step 4: Simplify right side
    107,338.32x = 7,765,755,830.64
  5. Step 5: Solve for x
    x = 7,765,755,830.64/107,338.32
  6. Step 6: Final answer
    x = 72,348.40

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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.