Home / 52,276.92-72,142.32-29,620.11

Finding the Fourth Proportional to 52,276.92, 72,142.32 and 29,620.11

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Solution

The fourth proportional to 52,276.92, 72,142.32 and 29,620.11 is: 40,875.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,276.92 : 72,142.32 = 29,620.11 : x
  2. Step 2: Convert to fraction form
    52,276.92/72,142.32 = 29,620.11/x
  3. Step 3: Cross multiply
    52,276.92x = 72,142.32 × 29,620.11
  4. Step 4: Simplify right side
    52,276.92x = 2,136,863,454.06
  5. Step 5: Solve for x
    x = 2,136,863,454.06/52,276.92
  6. Step 6: Final answer
    x = 40,875.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.