Home / 68,403.57-94,398.51-42,911.02

Finding the Fourth Proportional to 68,403.57, 94,398.51 and 42,911.02

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Solution

The fourth proportional to 68,403.57, 94,398.51 and 42,911.02 is: 59,218.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,403.57 : 94,398.51 = 42,911.02 : x
  2. Step 2: Convert to fraction form
    68,403.57/94,398.51 = 42,911.02/x
  3. Step 3: Cross multiply
    68,403.57x = 94,398.51 × 42,911.02
  4. Step 4: Simplify right side
    68,403.57x = 4,050,736,350.58
  5. Step 5: Solve for x
    x = 4,050,736,350.58/68,403.57
  6. Step 6: Final answer
    x = 59,218.20

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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.