Home / 90,333.23-135,445.16-40,404.02

Finding the Fourth Proportional to 90,333.23, 135,445.16 and 40,404.02

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Solution

The fourth proportional to 90,333.23, 135,445.16 and 40,404.02 is: 60,581.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,333.23 : 135,445.16 = 40,404.02 : x
  2. Step 2: Convert to fraction form
    90,333.23/135,445.16 = 40,404.02/x
  3. Step 3: Cross multiply
    90,333.23x = 135,445.16 × 40,404.02
  4. Step 4: Simplify right side
    90,333.23x = 5,472,528,377.33
  5. Step 5: Solve for x
    x = 5,472,528,377.33/90,333.23
  6. Step 6: Final answer
    x = 60,581.57

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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.