Home / 68,386.49-94,260.37-45,717.20

Finding the Fourth Proportional to 68,386.49, 94,260.37 and 45,717.20

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Solution

The fourth proportional to 68,386.49, 94,260.37 and 45,717.20 is: 63,014.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,386.49 : 94,260.37 = 45,717.20 : x
  2. Step 2: Convert to fraction form
    68,386.49/94,260.37 = 45,717.20/x
  3. Step 3: Cross multiply
    68,386.49x = 94,260.37 × 45,717.20
  4. Step 4: Simplify right side
    68,386.49x = 4,309,319,487.48
  5. Step 5: Solve for x
    x = 4,309,319,487.48/68,386.49
  6. Step 6: Final answer
    x = 63,014.20

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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.