Home / 67,326.88-92,872.56-42,132.64

Finding the Fourth Proportional to 67,326.88, 92,872.56 and 42,132.64

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Solution

The fourth proportional to 67,326.88, 92,872.56 and 42,132.64 is: 58,118.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,326.88 : 92,872.56 = 42,132.64 : x
  2. Step 2: Convert to fraction form
    67,326.88/92,872.56 = 42,132.64/x
  3. Step 3: Cross multiply
    67,326.88x = 92,872.56 × 42,132.64
  4. Step 4: Simplify right side
    67,326.88x = 3,912,966,136.36
  5. Step 5: Solve for x
    x = 3,912,966,136.36/67,326.88
  6. Step 6: Final answer
    x = 58,118.93

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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.