Home / 83,646.12-125,368.72-36,248.16

Finding the Fourth Proportional to 83,646.12, 125,368.72 and 36,248.16

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Solution

The fourth proportional to 83,646.12, 125,368.72 and 36,248.16 is: 54,328.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,646.12 : 125,368.72 = 36,248.16 : x
  2. Step 2: Convert to fraction form
    83,646.12/125,368.72 = 36,248.16/x
  3. Step 3: Cross multiply
    83,646.12x = 125,368.72 × 36,248.16
  4. Step 4: Simplify right side
    83,646.12x = 4,544,385,421.56
  5. Step 5: Solve for x
    x = 4,544,385,421.56/83,646.12
  6. Step 6: Final answer
    x = 54,328.71

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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.