Home / 104,557.11-156,747.50-45,348.20

Finding the Fourth Proportional to 104,557.11, 156,747.50 and 45,348.20

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Solution

The fourth proportional to 104,557.11, 156,747.50 and 45,348.20 is: 67,984.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,557.11 : 156,747.50 = 45,348.20 : x
  2. Step 2: Convert to fraction form
    104,557.11/156,747.50 = 45,348.20/x
  3. Step 3: Cross multiply
    104,557.11x = 156,747.50 × 45,348.20
  4. Step 4: Simplify right side
    104,557.11x = 7,108,216,979.50
  5. Step 5: Solve for x
    x = 7,108,216,979.50/104,557.11
  6. Step 6: Final answer
    x = 67,984.06

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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.