Home / 68,145.90-94,041.33-37,930.57

Finding the Fourth Proportional to 68,145.90, 94,041.33 and 37,930.57

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Solution

The fourth proportional to 68,145.90, 94,041.33 and 37,930.57 is: 52,344.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,145.90 : 94,041.33 = 37,930.57 : x
  2. Step 2: Convert to fraction form
    68,145.90/94,041.33 = 37,930.57/x
  3. Step 3: Cross multiply
    68,145.90x = 94,041.33 × 37,930.57
  4. Step 4: Simplify right side
    68,145.90x = 3,567,041,345.28
  5. Step 5: Solve for x
    x = 3,567,041,345.28/68,145.90
  6. Step 6: Final answer
    x = 52,344.18

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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.