Home / 87,570.40-120,830.79-49,327.06

Finding the Fourth Proportional to 87,570.40, 120,830.79 and 49,327.06

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Solution

The fourth proportional to 87,570.40, 120,830.79 and 49,327.06 is: 68,062.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,570.40 : 120,830.79 = 49,327.06 : x
  2. Step 2: Convert to fraction form
    87,570.40/120,830.79 = 49,327.06/x
  3. Step 3: Cross multiply
    87,570.40x = 120,830.79 × 49,327.06
  4. Step 4: Simplify right side
    87,570.40x = 5,960,227,628.18
  5. Step 5: Solve for x
    x = 5,960,227,628.18/87,570.40
  6. Step 6: Final answer
    x = 68,062.13

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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.