Home / 60,732.80-90,940-48,823.20

Finding the Fourth Proportional to 60,732.80, 90,940 and 48,823.20

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Solution

The fourth proportional to 60,732.80, 90,940 and 48,823.20 is: 73,106.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,732.80 : 90,940 = 48,823.20 : x
  2. Step 2: Convert to fraction form
    60,732.80/90,940 = 48,823.20/x
  3. Step 3: Cross multiply
    60,732.80x = 90,940 × 48,823.20
  4. Step 4: Simplify right side
    60,732.80x = 4,439,981,808
  5. Step 5: Solve for x
    x = 4,439,981,808/60,732.80
  6. Step 6: Final answer
    x = 73,106.82

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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.