Home / 71,045.06-98,035.19-39,211.89

Finding the Fourth Proportional to 71,045.06, 98,035.19 and 39,211.89

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Solution

The fourth proportional to 71,045.06, 98,035.19 and 39,211.89 is: 54,108.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,045.06 : 98,035.19 = 39,211.89 : x
  2. Step 2: Convert to fraction form
    71,045.06/98,035.19 = 39,211.89/x
  3. Step 3: Cross multiply
    71,045.06x = 98,035.19 × 39,211.89
  4. Step 4: Simplify right side
    71,045.06x = 3,844,144,890.35
  5. Step 5: Solve for x
    x = 3,844,144,890.35/71,045.06
  6. Step 6: Final answer
    x = 54,108.55

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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.