Home / 52,153.04-78,229.68-36,639.92

Finding the Fourth Proportional to 52,153.04, 78,229.68 and 36,639.92

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Solution

The fourth proportional to 52,153.04, 78,229.68 and 36,639.92 is: 54,959.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,153.04 : 78,229.68 = 36,639.92 : x
  2. Step 2: Convert to fraction form
    52,153.04/78,229.68 = 36,639.92/x
  3. Step 3: Cross multiply
    52,153.04x = 78,229.68 × 36,639.92
  4. Step 4: Simplify right side
    52,153.04x = 2,866,329,216.83
  5. Step 5: Solve for x
    x = 2,866,329,216.83/52,153.04
  6. Step 6: Final answer
    x = 54,959.96

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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.