Home / 120,033.88-180,042.18-52,572.76

Finding the Fourth Proportional to 120,033.88, 180,042.18 and 52,572.76

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Solution

The fourth proportional to 120,033.88, 180,042.18 and 52,572.76 is: 78,855.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,033.88 : 180,042.18 = 52,572.76 : x
  2. Step 2: Convert to fraction form
    120,033.88/180,042.18 = 52,572.76/x
  3. Step 3: Cross multiply
    120,033.88x = 180,042.18 × 52,572.76
  4. Step 4: Simplify right side
    120,033.88x = 9,465,314,319.02
  5. Step 5: Solve for x
    x = 9,465,314,319.02/120,033.88
  6. Step 6: Final answer
    x = 78,855.36

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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.