Home / 91,600.20-137,402.10-60,210.36

Finding the Fourth Proportional to 91,600.20, 137,402.10 and 60,210.36

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Solution

The fourth proportional to 91,600.20, 137,402.10 and 60,210.36 is: 90,316.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,600.20 : 137,402.10 = 60,210.36 : x
  2. Step 2: Convert to fraction form
    91,600.20/137,402.10 = 60,210.36/x
  3. Step 3: Cross multiply
    91,600.20x = 137,402.10 × 60,210.36
  4. Step 4: Simplify right side
    91,600.20x = 8,273,029,905.76
  5. Step 5: Solve for x
    x = 8,273,029,905.76/91,600.20
  6. Step 6: Final answer
    x = 90,316.72

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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.