Home / 89,043.16-122,874.13-48,757.40

Finding the Fourth Proportional to 89,043.16, 122,874.13 and 48,757.40

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Solution

The fourth proportional to 89,043.16, 122,874.13 and 48,757.40 is: 67,282.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,043.16 : 122,874.13 = 48,757.40 : x
  2. Step 2: Convert to fraction form
    89,043.16/122,874.13 = 48,757.40/x
  3. Step 3: Cross multiply
    89,043.16x = 122,874.13 × 48,757.40
  4. Step 4: Simplify right side
    89,043.16x = 5,991,023,106.06
  5. Step 5: Solve for x
    x = 5,991,023,106.06/89,043.16
  6. Step 6: Final answer
    x = 67,282.24

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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.