Home / 75,979.20-104,816.40-44,142.12

Finding the Fourth Proportional to 75,979.20, 104,816.40 and 44,142.12

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Solution

The fourth proportional to 75,979.20, 104,816.40 and 44,142.12 is: 60,895.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,979.20 : 104,816.40 = 44,142.12 : x
  2. Step 2: Convert to fraction form
    75,979.20/104,816.40 = 44,142.12/x
  3. Step 3: Cross multiply
    75,979.20x = 104,816.40 × 44,142.12
  4. Step 4: Simplify right side
    75,979.20x = 4,626,818,106.77
  5. Step 5: Solve for x
    x = 4,626,818,106.77/75,979.20
  6. Step 6: Final answer
    x = 60,895.85

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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.