Home / 80,440.02-111,002.40-44,627.90

Finding the Fourth Proportional to 80,440.02, 111,002.40 and 44,627.90

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Solution

The fourth proportional to 80,440.02, 111,002.40 and 44,627.90 is: 61,583.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,440.02 : 111,002.40 = 44,627.90 : x
  2. Step 2: Convert to fraction form
    80,440.02/111,002.40 = 44,627.90/x
  3. Step 3: Cross multiply
    80,440.02x = 111,002.40 × 44,627.90
  4. Step 4: Simplify right side
    80,440.02x = 4,953,803,451.95
  5. Step 5: Solve for x
    x = 4,953,803,451.95/80,440.02
  6. Step 6: Final answer
    x = 61,583.82

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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.