Home / 75,280.32-112,723.20-52,972.92

Finding the Fourth Proportional to 75,280.32, 112,723.20 and 52,972.92

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Solution

The fourth proportional to 75,280.32, 112,723.20 and 52,972.92 is: 79,320.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,280.32 : 112,723.20 = 52,972.92 : x
  2. Step 2: Convert to fraction form
    75,280.32/112,723.20 = 52,972.92/x
  3. Step 3: Cross multiply
    75,280.32x = 112,723.20 × 52,972.92
  4. Step 4: Simplify right side
    75,280.32x = 5,971,277,055.74
  5. Step 5: Solve for x
    x = 5,971,277,055.74/75,280.32
  6. Step 6: Final answer
    x = 79,320.56

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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.