Home / 87,306.46-120,483.75-49,580.98

Finding the Fourth Proportional to 87,306.46, 120,483.75 and 49,580.98

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Solution

The fourth proportional to 87,306.46, 120,483.75 and 49,580.98 is: 68,422.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,306.46 : 120,483.75 = 49,580.98 : x
  2. Step 2: Convert to fraction form
    87,306.46/120,483.75 = 49,580.98/x
  3. Step 3: Cross multiply
    87,306.46x = 120,483.75 × 49,580.98
  4. Step 4: Simplify right side
    87,306.46x = 5,973,702,399.08
  5. Step 5: Solve for x
    x = 5,973,702,399.08/87,306.46
  6. Step 6: Final answer
    x = 68,422.23

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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.