Home / 73,918.40-102,013.44-42,097.28

Finding the Fourth Proportional to 73,918.40, 102,013.44 and 42,097.28

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Solution

The fourth proportional to 73,918.40, 102,013.44 and 42,097.28 is: 58,097.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,918.40 : 102,013.44 = 42,097.28 : x
  2. Step 2: Convert to fraction form
    73,918.40/102,013.44 = 42,097.28/x
  3. Step 3: Cross multiply
    73,918.40x = 102,013.44 × 42,097.28
  4. Step 4: Simplify right side
    73,918.40x = 4,294,488,347.44
  5. Step 5: Solve for x
    x = 4,294,488,347.44/73,918.40
  6. Step 6: Final answer
    x = 58,097.69

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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.