Home / 68,362.16-94,342.20-40,066.16

Finding the Fourth Proportional to 68,362.16, 94,342.20 and 40,066.16

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Solution

The fourth proportional to 68,362.16, 94,342.20 and 40,066.16 is: 55,292.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,362.16 : 94,342.20 = 40,066.16 : x
  2. Step 2: Convert to fraction form
    68,362.16/94,342.20 = 40,066.16/x
  3. Step 3: Cross multiply
    68,362.16x = 94,342.20 × 40,066.16
  4. Step 4: Simplify right side
    68,362.16x = 3,779,929,679.95
  5. Step 5: Solve for x
    x = 3,779,929,679.95/68,362.16
  6. Step 6: Final answer
    x = 55,292.72

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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.