Home / 67,420.26-93,023.78-43,542.81

Finding the Fourth Proportional to 67,420.26, 93,023.78 and 43,542.81

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Solution

The fourth proportional to 67,420.26, 93,023.78 and 43,542.81 is: 60,078.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,420.26 : 93,023.78 = 43,542.81 : x
  2. Step 2: Convert to fraction form
    67,420.26/93,023.78 = 43,542.81/x
  3. Step 3: Cross multiply
    67,420.26x = 93,023.78 × 43,542.81
  4. Step 4: Simplify right side
    67,420.26x = 4,050,516,560.31
  5. Step 5: Solve for x
    x = 4,050,516,560.31/67,420.26
  6. Step 6: Final answer
    x = 60,078.63

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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.