Home / 70,891.20-97,834.32-39,060.08

Finding the Fourth Proportional to 70,891.20, 97,834.32 and 39,060.08

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Solution

The fourth proportional to 70,891.20, 97,834.32 and 39,060.08 is: 53,905.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,891.20 : 97,834.32 = 39,060.08 : x
  2. Step 2: Convert to fraction form
    70,891.20/97,834.32 = 39,060.08/x
  3. Step 3: Cross multiply
    70,891.20x = 97,834.32 × 39,060.08
  4. Step 4: Simplify right side
    70,891.20x = 3,821,416,365.95
  5. Step 5: Solve for x
    x = 3,821,416,365.95/70,891.20
  6. Step 6: Final answer
    x = 53,905.37

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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.