Home / 61,139.66-91,714.35-26,079.62

Finding the Fourth Proportional to 61,139.66, 91,714.35 and 26,079.62

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Solution

The fourth proportional to 61,139.66, 91,714.35 and 26,079.62 is: 39,121.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,139.66 : 91,714.35 = 26,079.62 : x
  2. Step 2: Convert to fraction form
    61,139.66/91,714.35 = 26,079.62/x
  3. Step 3: Cross multiply
    61,139.66x = 91,714.35 × 26,079.62
  4. Step 4: Simplify right side
    61,139.66x = 2,391,875,396.55
  5. Step 5: Solve for x
    x = 2,391,875,396.55/61,139.66
  6. Step 6: Final answer
    x = 39,121.50

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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.