Home / 74,456.87-111,685.08-30,083.10

Finding the Fourth Proportional to 74,456.87, 111,685.08 and 30,083.10

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Solution

The fourth proportional to 74,456.87, 111,685.08 and 30,083.10 is: 45,124.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,456.87 : 111,685.08 = 30,083.10 : x
  2. Step 2: Convert to fraction form
    74,456.87/111,685.08 = 30,083.10/x
  3. Step 3: Cross multiply
    74,456.87x = 111,685.08 × 30,083.10
  4. Step 4: Simplify right side
    74,456.87x = 3,359,832,954.92
  5. Step 5: Solve for x
    x = 3,359,832,954.92/74,456.87
  6. Step 6: Final answer
    x = 45,124.55

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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.