Home / 75,569.30-113,397.15-28,855.70

Finding the Fourth Proportional to 75,569.30, 113,397.15 and 28,855.70

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Solution

The fourth proportional to 75,569.30, 113,397.15 and 28,855.70 is: 43,300.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,569.30 : 113,397.15 = 28,855.70 : x
  2. Step 2: Convert to fraction form
    75,569.30/113,397.15 = 28,855.70/x
  3. Step 3: Cross multiply
    75,569.30x = 113,397.15 × 28,855.70
  4. Step 4: Simplify right side
    75,569.30x = 3,272,154,141.26
  5. Step 5: Solve for x
    x = 3,272,154,141.26/75,569.30
  6. Step 6: Final answer
    x = 43,300.05

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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.