Home / 80,123.95-110,566.55-43,818.17

Finding the Fourth Proportional to 80,123.95, 110,566.55 and 43,818.17

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Solution

The fourth proportional to 80,123.95, 110,566.55 and 43,818.17 is: 60,466.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,123.95 : 110,566.55 = 43,818.17 : x
  2. Step 2: Convert to fraction form
    80,123.95/110,566.55 = 43,818.17/x
  3. Step 3: Cross multiply
    80,123.95x = 110,566.55 × 43,818.17
  4. Step 4: Simplify right side
    80,123.95x = 4,844,823,440.93
  5. Step 5: Solve for x
    x = 4,844,823,440.93/80,123.95
  6. Step 6: Final answer
    x = 60,466.61

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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.