Home / 80,534.01-111,146.67-48,705.87

Finding the Fourth Proportional to 80,534.01, 111,146.67 and 48,705.87

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Solution

The fourth proportional to 80,534.01, 111,146.67 and 48,705.87 is: 67,219.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,534.01 : 111,146.67 = 48,705.87 : x
  2. Step 2: Convert to fraction form
    80,534.01/111,146.67 = 48,705.87/x
  3. Step 3: Cross multiply
    80,534.01x = 111,146.67 × 48,705.87
  4. Step 4: Simplify right side
    80,534.01x = 5,413,495,259.95
  5. Step 5: Solve for x
    x = 5,413,495,259.95/80,534.01
  6. Step 6: Final answer
    x = 67,219.99

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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.