Home / 79,780.14-110,097.36-43,971.53

Finding the Fourth Proportional to 79,780.14, 110,097.36 and 43,971.53

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Solution

The fourth proportional to 79,780.14, 110,097.36 and 43,971.53 is: 60,681.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,780.14 : 110,097.36 = 43,971.53 : x
  2. Step 2: Convert to fraction form
    79,780.14/110,097.36 = 43,971.53/x
  3. Step 3: Cross multiply
    79,780.14x = 110,097.36 × 43,971.53
  4. Step 4: Simplify right side
    79,780.14x = 4,841,148,817.67
  5. Step 5: Solve for x
    x = 4,841,148,817.67/79,780.14
  6. Step 6: Final answer
    x = 60,681.13

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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.