Home / 60,727.06-90,480.02-57,331.75

Finding the Fourth Proportional to 60,727.06, 90,480.02 and 57,331.75

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Solution

The fourth proportional to 60,727.06, 90,480.02 and 57,331.75 is: 85,421.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,727.06 : 90,480.02 = 57,331.75 : x
  2. Step 2: Convert to fraction form
    60,727.06/90,480.02 = 57,331.75/x
  3. Step 3: Cross multiply
    60,727.06x = 90,480.02 × 57,331.75
  4. Step 4: Simplify right side
    60,727.06x = 5,187,377,886.64
  5. Step 5: Solve for x
    x = 5,187,377,886.64/60,727.06
  6. Step 6: Final answer
    x = 85,421.19

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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.