Home / 89,159.27-123,041.48-48,872.75

Finding the Fourth Proportional to 89,159.27, 123,041.48 and 48,872.75

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Solution

The fourth proportional to 89,159.27, 123,041.48 and 48,872.75 is: 67,445.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,159.27 : 123,041.48 = 48,872.75 : x
  2. Step 2: Convert to fraction form
    89,159.27/123,041.48 = 48,872.75/x
  3. Step 3: Cross multiply
    89,159.27x = 123,041.48 × 48,872.75
  4. Step 4: Simplify right side
    89,159.27x = 6,013,374,632.10
  5. Step 5: Solve for x
    x = 6,013,374,632.10/89,159.27
  6. Step 6: Final answer
    x = 67,445.31

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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.