Home / 89,067.16-122,908.98-48,779.92

Finding the Fourth Proportional to 89,067.16, 122,908.98 and 48,779.92

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Solution

The fourth proportional to 89,067.16, 122,908.98 and 48,779.92 is: 67,314.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,067.16 : 122,908.98 = 48,779.92 : x
  2. Step 2: Convert to fraction form
    89,067.16/122,908.98 = 48,779.92/x
  3. Step 3: Cross multiply
    89,067.16x = 122,908.98 × 48,779.92
  4. Step 4: Simplify right side
    89,067.16x = 5,995,490,211.68
  5. Step 5: Solve for x
    x = 5,995,490,211.68/89,067.16
  6. Step 6: Final answer
    x = 67,314.26

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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.