Home / 73,088.96-109,624.33-20,502.55

Finding the Fourth Proportional to 73,088.96, 109,624.33 and 20,502.55

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Solution

The fourth proportional to 73,088.96, 109,624.33 and 20,502.55 is: 30,751.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,088.96 : 109,624.33 = 20,502.55 : x
  2. Step 2: Convert to fraction form
    73,088.96/109,624.33 = 20,502.55/x
  3. Step 3: Cross multiply
    73,088.96x = 109,624.33 × 20,502.55
  4. Step 4: Simplify right side
    73,088.96x = 2,247,577,656.41
  5. Step 5: Solve for x
    x = 2,247,577,656.41/73,088.96
  6. Step 6: Final answer
    x = 30,751.26

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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.