Home / 89,001.16-122,821.27-48,165.20

Finding the Fourth Proportional to 89,001.16, 122,821.27 and 48,165.20

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Solution

The fourth proportional to 89,001.16, 122,821.27 and 48,165.20 is: 66,467.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,001.16 : 122,821.27 = 48,165.20 : x
  2. Step 2: Convert to fraction form
    89,001.16/122,821.27 = 48,165.20/x
  3. Step 3: Cross multiply
    89,001.16x = 122,821.27 × 48,165.20
  4. Step 4: Simplify right side
    89,001.16x = 5,915,711,033.80
  5. Step 5: Solve for x
    x = 5,915,711,033.80/89,001.16
  6. Step 6: Final answer
    x = 66,467.80

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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.