Home / 68,386.47-94,389.08-40,101.27

Finding the Fourth Proportional to 68,386.47, 94,389.08 and 40,101.27

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Solution

The fourth proportional to 68,386.47, 94,389.08 and 40,101.27 is: 55,348.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,386.47 : 94,389.08 = 40,101.27 : x
  2. Step 2: Convert to fraction form
    68,386.47/94,389.08 = 40,101.27/x
  3. Step 3: Cross multiply
    68,386.47x = 94,389.08 × 40,101.27
  4. Step 4: Simplify right side
    68,386.47x = 3,785,121,781.63
  5. Step 5: Solve for x
    x = 3,785,121,781.63/68,386.47
  6. Step 6: Final answer
    x = 55,348.99

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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.