Home / 74,648.76-102,982-50,441.92

Finding the Fourth Proportional to 74,648.76, 102,982 and 50,441.92

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Solution

The fourth proportional to 74,648.76, 102,982 and 50,441.92 is: 69,587.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,648.76 : 102,982 = 50,441.92 : x
  2. Step 2: Convert to fraction form
    74,648.76/102,982 = 50,441.92/x
  3. Step 3: Cross multiply
    74,648.76x = 102,982 × 50,441.92
  4. Step 4: Simplify right side
    74,648.76x = 5,194,609,805.44
  5. Step 5: Solve for x
    x = 5,194,609,805.44/74,648.76
  6. Step 6: Final answer
    x = 69,587.36

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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.