Home / 90,627.44-135,877.68-34,470.80

Finding the Fourth Proportional to 90,627.44, 135,877.68 and 34,470.80

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Solution

The fourth proportional to 90,627.44, 135,877.68 and 34,470.80 is: 51,682.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,627.44 : 135,877.68 = 34,470.80 : x
  2. Step 2: Convert to fraction form
    90,627.44/135,877.68 = 34,470.80/x
  3. Step 3: Cross multiply
    90,627.44x = 135,877.68 × 34,470.80
  4. Step 4: Simplify right side
    90,627.44x = 4,683,812,331.74
  5. Step 5: Solve for x
    x = 4,683,812,331.74/90,627.44
  6. Step 6: Final answer
    x = 51,682.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.