Home / 68,307.36-94,254.72-40,021.92

Finding the Fourth Proportional to 68,307.36, 94,254.72 and 40,021.92

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Solution

The fourth proportional to 68,307.36, 94,254.72 and 40,021.92 is: 55,224.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,307.36 : 94,254.72 = 40,021.92 : x
  2. Step 2: Convert to fraction form
    68,307.36/94,254.72 = 40,021.92/x
  3. Step 3: Cross multiply
    68,307.36x = 94,254.72 × 40,021.92
  4. Step 4: Simplify right side
    68,307.36x = 3,772,254,863.46
  5. Step 5: Solve for x
    x = 3,772,254,863.46/68,307.36
  6. Step 6: Final answer
    x = 55,224.72

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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.