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Finding the Fourth Proportional to 64,383.74, 88,847.90 and 35,702.94

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Solution

The fourth proportional to 64,383.74, 88,847.90 and 35,702.94 is: 49,269.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,383.74 : 88,847.90 = 35,702.94 : x
  2. Step 2: Convert to fraction form
    64,383.74/88,847.90 = 35,702.94/x
  3. Step 3: Cross multiply
    64,383.74x = 88,847.90 × 35,702.94
  4. Step 4: Simplify right side
    64,383.74x = 3,172,131,332.08
  5. Step 5: Solve for x
    x = 3,172,131,332.08/64,383.74
  6. Step 6: Final answer
    x = 49,269.14

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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.