Home / 65,062.14-89,767.54-40,865.72

Finding the Fourth Proportional to 65,062.14, 89,767.54 and 40,865.72

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Solution

The fourth proportional to 65,062.14, 89,767.54 and 40,865.72 is: 56,383.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,062.14 : 89,767.54 = 40,865.72 : x
  2. Step 2: Convert to fraction form
    65,062.14/89,767.54 = 40,865.72/x
  3. Step 3: Cross multiply
    65,062.14x = 89,767.54 × 40,865.72
  4. Step 4: Simplify right side
    65,062.14x = 3,668,414,756.97
  5. Step 5: Solve for x
    x = 3,668,414,756.97/65,062.14
  6. Step 6: Final answer
    x = 56,383.25

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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.