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Finding the Fourth Proportional to 64,250, 88,663.08 and 35,570.84

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Solution

The fourth proportional to 64,250, 88,663.08 and 35,570.84 is: 49,086.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,250 : 88,663.08 = 35,570.84 : x
  2. Step 2: Convert to fraction form
    64,250/88,663.08 = 35,570.84/x
  3. Step 3: Cross multiply
    64,250x = 88,663.08 × 35,570.84
  4. Step 4: Simplify right side
    64,250x = 3,153,820,232.59
  5. Step 5: Solve for x
    x = 3,153,820,232.59/64,250
  6. Step 6: Final answer
    x = 49,086.70

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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.