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Finding the Fourth Proportional to 64,383.69, 88,849.70 and 35,705.40

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Solution

The fourth proportional to 64,383.69, 88,849.70 and 35,705.40 is: 49,273.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,383.69 : 88,849.70 = 35,705.40 : x
  2. Step 2: Convert to fraction form
    64,383.69/88,849.70 = 35,705.40/x
  3. Step 3: Cross multiply
    64,383.69x = 88,849.70 × 35,705.40
  4. Step 4: Simplify right side
    64,383.69x = 3,172,414,078.38
  5. Step 5: Solve for x
    x = 3,172,414,078.38/64,383.69
  6. Step 6: Final answer
    x = 49,273.57

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1.5x scale

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.