Home / 103,070.12-154,552.94-36,500.88

Finding the Fourth Proportional to 103,070.12, 154,552.94 and 36,500.88

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Solution

The fourth proportional to 103,070.12, 154,552.94 and 36,500.88 is: 54,732.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,070.12 : 154,552.94 = 36,500.88 : x
  2. Step 2: Convert to fraction form
    103,070.12/154,552.94 = 36,500.88/x
  3. Step 3: Cross multiply
    103,070.12x = 154,552.94 × 36,500.88
  4. Step 4: Simplify right side
    103,070.12x = 5,641,317,878.52
  5. Step 5: Solve for x
    x = 5,641,317,878.52/103,070.12
  6. Step 6: Final answer
    x = 54,732.82

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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.