Home / 68,320.80-94,283.19-38,108.07

Finding the Fourth Proportional to 68,320.80, 94,283.19 and 38,108.07

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Solution

The fourth proportional to 68,320.80, 94,283.19 and 38,108.07 is: 52,589.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,320.80 : 94,283.19 = 38,108.07 : x
  2. Step 2: Convert to fraction form
    68,320.80/94,283.19 = 38,108.07/x
  3. Step 3: Cross multiply
    68,320.80x = 94,283.19 × 38,108.07
  4. Step 4: Simplify right side
    68,320.80x = 3,592,950,404.34
  5. Step 5: Solve for x
    x = 3,592,950,404.34/68,320.80
  6. Step 6: Final answer
    x = 52,589.41

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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.