Home / 90,649.49-125,086.67-52,402.98

Finding the Fourth Proportional to 90,649.49, 125,086.67 and 52,402.98

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Solution

The fourth proportional to 90,649.49, 125,086.67 and 52,402.98 is: 72,310.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,649.49 : 125,086.67 = 52,402.98 : x
  2. Step 2: Convert to fraction form
    90,649.49/125,086.67 = 52,402.98/x
  3. Step 3: Cross multiply
    90,649.49x = 125,086.67 × 52,402.98
  4. Step 4: Simplify right side
    90,649.49x = 6,554,914,266.28
  5. Step 5: Solve for x
    x = 6,554,914,266.28/90,649.49
  6. Step 6: Final answer
    x = 72,310.55

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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.