Home / 80,129.10-110,575.40-44,319

Finding the Fourth Proportional to 80,129.10, 110,575.40 and 44,319

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Solution

The fourth proportional to 80,129.10, 110,575.40 and 44,319 is: 61,158.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,129.10 : 110,575.40 = 44,319 : x
  2. Step 2: Convert to fraction form
    80,129.10/110,575.40 = 44,319/x
  3. Step 3: Cross multiply
    80,129.10x = 110,575.40 × 44,319
  4. Step 4: Simplify right side
    80,129.10x = 4,900,591,152.60
  5. Step 5: Solve for x
    x = 4,900,591,152.60/80,129.10
  6. Step 6: Final answer
    x = 61,158.69

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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.