Home / 94,655.40-141,983.10-28,105.80

Finding the Fourth Proportional to 94,655.40, 141,983.10 and 28,105.80

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Solution

The fourth proportional to 94,655.40, 141,983.10 and 28,105.80 is: 42,158.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,655.40 : 141,983.10 = 28,105.80 : x
  2. Step 2: Convert to fraction form
    94,655.40/141,983.10 = 28,105.80/x
  3. Step 3: Cross multiply
    94,655.40x = 141,983.10 × 28,105.80
  4. Step 4: Simplify right side
    94,655.40x = 3,990,548,611.98
  5. Step 5: Solve for x
    x = 3,990,548,611.98/94,655.40
  6. Step 6: Final answer
    x = 42,158.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.