Home / 67,679.50-93,440.07-43,490.26

Finding the Fourth Proportional to 67,679.50, 93,440.07 and 43,490.26

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Solution

The fourth proportional to 67,679.50, 93,440.07 and 43,490.26 is: 60,043.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,679.50 : 93,440.07 = 43,490.26 : x
  2. Step 2: Convert to fraction form
    67,679.50/93,440.07 = 43,490.26/x
  3. Step 3: Cross multiply
    67,679.50x = 93,440.07 × 43,490.26
  4. Step 4: Simplify right side
    67,679.50x = 4,063,732,938.72
  5. Step 5: Solve for x
    x = 4,063,732,938.72/67,679.50
  6. Step 6: Final answer
    x = 60,043.78

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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.