Home / 67,146.88-92,655.36-38,847.28

Finding the Fourth Proportional to 67,146.88, 92,655.36 and 38,847.28

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Solution

The fourth proportional to 67,146.88, 92,655.36 and 38,847.28 is: 53,605.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,146.88 : 92,655.36 = 38,847.28 : x
  2. Step 2: Convert to fraction form
    67,146.88/92,655.36 = 38,847.28/x
  3. Step 3: Cross multiply
    67,146.88x = 92,655.36 × 38,847.28
  4. Step 4: Simplify right side
    67,146.88x = 3,599,408,713.42
  5. Step 5: Solve for x
    x = 3,599,408,713.42/67,146.88
  6. Step 6: Final answer
    x = 53,605.00

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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.