Home / 48,438.28-72,376.93-37,131.76

Finding the Fourth Proportional to 48,438.28, 72,376.93 and 37,131.76

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Solution

The fourth proportional to 48,438.28, 72,376.93 and 37,131.76 is: 55,482.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,438.28 : 72,376.93 = 37,131.76 : x
  2. Step 2: Convert to fraction form
    48,438.28/72,376.93 = 37,131.76/x
  3. Step 3: Cross multiply
    48,438.28x = 72,376.93 × 37,131.76
  4. Step 4: Simplify right side
    48,438.28x = 2,687,482,794.30
  5. Step 5: Solve for x
    x = 2,687,482,794.30/48,438.28
  6. Step 6: Final answer
    x = 55,482.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.