Home / 87,970.55-121,415.61-50,244.80

Finding the Fourth Proportional to 87,970.55, 121,415.61 and 50,244.80

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Solution

The fourth proportional to 87,970.55, 121,415.61 and 50,244.80 is: 69,347.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,970.55 : 121,415.61 = 50,244.80 : x
  2. Step 2: Convert to fraction form
    87,970.55/121,415.61 = 50,244.80/x
  3. Step 3: Cross multiply
    87,970.55x = 121,415.61 × 50,244.80
  4. Step 4: Simplify right side
    87,970.55x = 6,100,503,041.33
  5. Step 5: Solve for x
    x = 6,100,503,041.33/87,970.55
  6. Step 6: Final answer
    x = 69,347.11

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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.