Home / 87,045.03-120,127.19-48,802.68

Finding the Fourth Proportional to 87,045.03, 120,127.19 and 48,802.68

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Solution

The fourth proportional to 87,045.03, 120,127.19 and 48,802.68 is: 67,350.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,045.03 : 120,127.19 = 48,802.68 : x
  2. Step 2: Convert to fraction form
    87,045.03/120,127.19 = 48,802.68/x
  3. Step 3: Cross multiply
    87,045.03x = 120,127.19 × 48,802.68
  4. Step 4: Simplify right side
    87,045.03x = 5,862,528,568.86
  5. Step 5: Solve for x
    x = 5,862,528,568.86/87,045.03
  6. Step 6: Final answer
    x = 67,350.53

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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.