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Finding the Fourth Proportional to 79,758.13, 110,071.14 and 43,948.14

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Solution

The fourth proportional to 79,758.13, 110,071.14 and 43,948.14 is: 60,651.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,758.13 : 110,071.14 = 43,948.14 : x
  2. Step 2: Convert to fraction form
    79,758.13/110,071.14 = 43,948.14/x
  3. Step 3: Cross multiply
    79,758.13x = 110,071.14 × 43,948.14
  4. Step 4: Simplify right side
    79,758.13x = 4,837,421,870.68
  5. Step 5: Solve for x
    x = 4,837,421,870.68/79,758.13
  6. Step 6: Final answer
    x = 60,651.14

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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.