Home / 79,938.80-119,864.10-32,541.75

Finding the Fourth Proportional to 79,938.80, 119,864.10 and 32,541.75

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Solution

The fourth proportional to 79,938.80, 119,864.10 and 32,541.75 is: 48,794.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,938.80 : 119,864.10 = 32,541.75 : x
  2. Step 2: Convert to fraction form
    79,938.80/119,864.10 = 32,541.75/x
  3. Step 3: Cross multiply
    79,938.80x = 119,864.10 × 32,541.75
  4. Step 4: Simplify right side
    79,938.80x = 3,900,587,698.21
  5. Step 5: Solve for x
    x = 3,900,587,698.21/79,938.80
  6. Step 6: Final answer
    x = 48,794.67

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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.