Home / 80,385.24-110,931-44,575.35

Finding the Fourth Proportional to 80,385.24, 110,931 and 44,575.35

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Solution

The fourth proportional to 80,385.24, 110,931 and 44,575.35 is: 61,513.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,385.24 : 110,931 = 44,575.35 : x
  2. Step 2: Convert to fraction form
    80,385.24/110,931 = 44,575.35/x
  3. Step 3: Cross multiply
    80,385.24x = 110,931 × 44,575.35
  4. Step 4: Simplify right side
    80,385.24x = 4,944,788,150.85
  5. Step 5: Solve for x
    x = 4,944,788,150.85/80,385.24
  6. Step 6: Final answer
    x = 61,513.63

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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.