Home / 87,883.59-121,279.44-47,597.41

Finding the Fourth Proportional to 87,883.59, 121,279.44 and 47,597.41

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Solution

The fourth proportional to 87,883.59, 121,279.44 and 47,597.41 is: 65,684.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,883.59 : 121,279.44 = 47,597.41 : x
  2. Step 2: Convert to fraction form
    87,883.59/121,279.44 = 47,597.41/x
  3. Step 3: Cross multiply
    87,883.59x = 121,279.44 × 47,597.41
  4. Step 4: Simplify right side
    87,883.59x = 5,772,586,878.14
  5. Step 5: Solve for x
    x = 5,772,586,878.14/87,883.59
  6. Step 6: Final answer
    x = 65,684.47

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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.