Home / 70,939.06-106,176.20-38,869.23

Finding the Fourth Proportional to 70,939.06, 106,176.20 and 38,869.23

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Solution

The fourth proportional to 70,939.06, 106,176.20 and 38,869.23 is: 58,176.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,939.06 : 106,176.20 = 38,869.23 : x
  2. Step 2: Convert to fraction form
    70,939.06/106,176.20 = 38,869.23/x
  3. Step 3: Cross multiply
    70,939.06x = 106,176.20 × 38,869.23
  4. Step 4: Simplify right side
    70,939.06x = 4,126,987,172.40
  5. Step 5: Solve for x
    x = 4,126,987,172.40/70,939.06
  6. Step 6: Final answer
    x = 58,176.51

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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.