Home / 71,536.12-98,715.18-39,703.48

Finding the Fourth Proportional to 71,536.12, 98,715.18 and 39,703.48

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Solution

The fourth proportional to 71,536.12, 98,715.18 and 39,703.48 is: 54,788.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,536.12 : 98,715.18 = 39,703.48 : x
  2. Step 2: Convert to fraction form
    71,536.12/98,715.18 = 39,703.48/x
  3. Step 3: Cross multiply
    71,536.12x = 98,715.18 × 39,703.48
  4. Step 4: Simplify right side
    71,536.12x = 3,919,336,174.83
  5. Step 5: Solve for x
    x = 3,919,336,174.83/71,536.12
  6. Step 6: Final answer
    x = 54,788.21

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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.