Home / 90,923.01-125,531.21-67,008.03

Finding the Fourth Proportional to 90,923.01, 125,531.21 and 67,008.03

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Solution

The fourth proportional to 90,923.01, 125,531.21 and 67,008.03 is: 92,513.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,923.01 : 125,531.21 = 67,008.03 : x
  2. Step 2: Convert to fraction form
    90,923.01/125,531.21 = 67,008.03/x
  3. Step 3: Cross multiply
    90,923.01x = 125,531.21 × 67,008.03
  4. Step 4: Simplify right side
    90,923.01x = 8,411,599,370.41
  5. Step 5: Solve for x
    x = 8,411,599,370.41/90,923.01
  6. Step 6: Final answer
    x = 92,513.42

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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.