Home / 88,351.20-132,430.40-43,403.49

Finding the Fourth Proportional to 88,351.20, 132,430.40 and 43,403.49

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Solution

The fourth proportional to 88,351.20, 132,430.40 and 43,403.49 is: 65,057.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,351.20 : 132,430.40 = 43,403.49 : x
  2. Step 2: Convert to fraction form
    88,351.20/132,430.40 = 43,403.49/x
  3. Step 3: Cross multiply
    88,351.20x = 132,430.40 × 43,403.49
  4. Step 4: Simplify right side
    88,351.20x = 5,747,941,325.08
  5. Step 5: Solve for x
    x = 5,747,941,325.08/88,351.20
  6. Step 6: Final answer
    x = 65,057.87

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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.