Home / 87,874.50-121,266.63-47,588.25

Finding the Fourth Proportional to 87,874.50, 121,266.63 and 47,588.25

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Solution

The fourth proportional to 87,874.50, 121,266.63 and 47,588.25 is: 65,671.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,874.50 : 121,266.63 = 47,588.25 : x
  2. Step 2: Convert to fraction form
    87,874.50/121,266.63 = 47,588.25/x
  3. Step 3: Cross multiply
    87,874.50x = 121,266.63 × 47,588.25
  4. Step 4: Simplify right side
    87,874.50x = 5,770,866,705.10
  5. Step 5: Solve for x
    x = 5,770,866,705.10/87,874.50
  6. Step 6: Final answer
    x = 65,671.69

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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.