Home / 89,010.35-122,834.10-48,724.12

Finding the Fourth Proportional to 89,010.35, 122,834.10 and 48,724.12

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Solution

The fourth proportional to 89,010.35, 122,834.10 and 48,724.12 is: 67,239.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,010.35 : 122,834.10 = 48,724.12 : x
  2. Step 2: Convert to fraction form
    89,010.35/122,834.10 = 48,724.12/x
  3. Step 3: Cross multiply
    89,010.35x = 122,834.10 × 48,724.12
  4. Step 4: Simplify right side
    89,010.35x = 5,984,983,428.49
  5. Step 5: Solve for x
    x = 5,984,983,428.49/89,010.35
  6. Step 6: Final answer
    x = 67,239.19

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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.