Home / 64,268.28-88,693.62-40,386.12

Finding the Fourth Proportional to 64,268.28, 88,693.62 and 40,386.12

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Solution

The fourth proportional to 64,268.28, 88,693.62 and 40,386.12 is: 55,734.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,268.28 : 88,693.62 = 40,386.12 : x
  2. Step 2: Convert to fraction form
    64,268.28/88,693.62 = 40,386.12/x
  3. Step 3: Cross multiply
    64,268.28x = 88,693.62 × 40,386.12
  4. Step 4: Simplify right side
    64,268.28x = 3,581,991,180.55
  5. Step 5: Solve for x
    x = 3,581,991,180.55/64,268.28
  6. Step 6: Final answer
    x = 55,734.98

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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.