Home / 91,616.16-137,190.96-60,356.64

Finding the Fourth Proportional to 91,616.16, 137,190.96 and 60,356.64

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Solution

The fourth proportional to 91,616.16, 137,190.96 and 60,356.64 is: 90,381.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,616.16 : 137,190.96 = 60,356.64 : x
  2. Step 2: Convert to fraction form
    91,616.16/137,190.96 = 60,356.64/x
  3. Step 3: Cross multiply
    91,616.16x = 137,190.96 × 60,356.64
  4. Step 4: Simplify right side
    91,616.16x = 8,280,385,383.97
  5. Step 5: Solve for x
    x = 8,280,385,383.97/91,616.16
  6. Step 6: Final answer
    x = 90,381.28

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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.