Home / 84,315.28-126,535.28-39,942.13

Finding the Fourth Proportional to 84,315.28, 126,535.28 and 39,942.13

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Solution

The fourth proportional to 84,315.28, 126,535.28 and 39,942.13 is: 59,942.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,315.28 : 126,535.28 = 39,942.13 : x
  2. Step 2: Convert to fraction form
    84,315.28/126,535.28 = 39,942.13/x
  3. Step 3: Cross multiply
    84,315.28x = 126,535.28 × 39,942.13
  4. Step 4: Simplify right side
    84,315.28x = 5,054,088,087.30
  5. Step 5: Solve for x
    x = 5,054,088,087.30/84,315.28
  6. Step 6: Final answer
    x = 59,942.73

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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.