Home / 87,567.40-120,855.54-49,845.16

Finding the Fourth Proportional to 87,567.40, 120,855.54 and 49,845.16

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Solution

The fourth proportional to 87,567.40, 120,855.54 and 49,845.16 is: 68,793.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,567.40 : 120,855.54 = 49,845.16 : x
  2. Step 2: Convert to fraction form
    87,567.40/120,855.54 = 49,845.16/x
  3. Step 3: Cross multiply
    87,567.40x = 120,855.54 × 49,845.16
  4. Step 4: Simplify right side
    87,567.40x = 6,024,063,728.19
  5. Step 5: Solve for x
    x = 6,024,063,728.19/87,567.40
  6. Step 6: Final answer
    x = 68,793.45

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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.