Home / 52,318.77-72,206.13-31,098.12

Finding the Fourth Proportional to 52,318.77, 72,206.13 and 31,098.12

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Solution

The fourth proportional to 52,318.77, 72,206.13 and 31,098.12 is: 42,919.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,318.77 : 72,206.13 = 31,098.12 : x
  2. Step 2: Convert to fraction form
    52,318.77/72,206.13 = 31,098.12/x
  3. Step 3: Cross multiply
    52,318.77x = 72,206.13 × 31,098.12
  4. Step 4: Simplify right side
    52,318.77x = 2,245,474,895.48
  5. Step 5: Solve for x
    x = 2,245,474,895.48/52,318.77
  6. Step 6: Final answer
    x = 42,919.11

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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.