Home / 71,287.47-106,942.77-26,918.10

Finding the Fourth Proportional to 71,287.47, 106,942.77 and 26,918.10

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Solution

The fourth proportional to 71,287.47, 106,942.77 and 26,918.10 is: 40,381.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,287.47 : 106,942.77 = 26,918.10 : x
  2. Step 2: Convert to fraction form
    71,287.47/106,942.77 = 26,918.10/x
  3. Step 3: Cross multiply
    71,287.47x = 106,942.77 × 26,918.10
  4. Step 4: Simplify right side
    71,287.47x = 2,878,696,177.14
  5. Step 5: Solve for x
    x = 2,878,696,177.14/71,287.47
  6. Step 6: Final answer
    x = 40,381.52

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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.