Home / 78,217.96-107,939.46-44,225.92

Finding the Fourth Proportional to 78,217.96, 107,939.46 and 44,225.92

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Solution

The fourth proportional to 78,217.96, 107,939.46 and 44,225.92 is: 61,031.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,217.96 : 107,939.46 = 44,225.92 : x
  2. Step 2: Convert to fraction form
    78,217.96/107,939.46 = 44,225.92/x
  3. Step 3: Cross multiply
    78,217.96x = 107,939.46 × 44,225.92
  4. Step 4: Simplify right side
    78,217.96x = 4,773,721,922.80
  5. Step 5: Solve for x
    x = 4,773,721,922.80/78,217.96
  6. Step 6: Final answer
    x = 61,031.02

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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.