Home / 64,128.38-88,497.16-35,836.70

Finding the Fourth Proportional to 64,128.38, 88,497.16 and 35,836.70

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Solution

The fourth proportional to 64,128.38, 88,497.16 and 35,836.70 is: 49,454.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,128.38 : 88,497.16 = 35,836.70 : x
  2. Step 2: Convert to fraction form
    64,128.38/88,497.16 = 35,836.70/x
  3. Step 3: Cross multiply
    64,128.38x = 88,497.16 × 35,836.70
  4. Step 4: Simplify right side
    64,128.38x = 3,171,445,641.69
  5. Step 5: Solve for x
    x = 3,171,445,641.69/64,128.38
  6. Step 6: Final answer
    x = 49,454.64

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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.