Home / 67,064.56-92,557.12-40,221.82

Finding the Fourth Proportional to 67,064.56, 92,557.12 and 40,221.82

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Solution

The fourth proportional to 67,064.56, 92,557.12 and 40,221.82 is: 55,510.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,064.56 : 92,557.12 = 40,221.82 : x
  2. Step 2: Convert to fraction form
    67,064.56/92,557.12 = 40,221.82/x
  3. Step 3: Cross multiply
    67,064.56x = 92,557.12 × 40,221.82
  4. Step 4: Simplify right side
    67,064.56x = 3,722,815,820.36
  5. Step 5: Solve for x
    x = 3,722,815,820.36/67,064.56
  6. Step 6: Final answer
    x = 55,510.93

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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.