Home / 87,566.13-120,798-51,738.84

Finding the Fourth Proportional to 87,566.13, 120,798 and 51,738.84

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Solution

The fourth proportional to 87,566.13, 120,798 and 51,738.84 is: 71,374.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,566.13 : 120,798 = 51,738.84 : x
  2. Step 2: Convert to fraction form
    87,566.13/120,798 = 51,738.84/x
  3. Step 3: Cross multiply
    87,566.13x = 120,798 × 51,738.84
  4. Step 4: Simplify right side
    87,566.13x = 6,249,948,394.32
  5. Step 5: Solve for x
    x = 6,249,948,394.32/87,566.13
  6. Step 6: Final answer
    x = 71,374.04

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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.