Home / 90,445.41-135,649.53-34,266.15

Finding the Fourth Proportional to 90,445.41, 135,649.53 and 34,266.15

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Solution

The fourth proportional to 90,445.41, 135,649.53 and 34,266.15 is: 51,392.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,445.41 : 135,649.53 = 34,266.15 : x
  2. Step 2: Convert to fraction form
    90,445.41/135,649.53 = 34,266.15/x
  3. Step 3: Cross multiply
    90,445.41x = 135,649.53 × 34,266.15
  4. Step 4: Simplify right side
    90,445.41x = 4,648,187,142.41
  5. Step 5: Solve for x
    x = 4,648,187,142.41/90,445.41
  6. Step 6: Final answer
    x = 51,392.18

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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.