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Finding the Fourth Proportional to 63,862.78, 88,133.34 and 35,568.46

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Solution

The fourth proportional to 63,862.78, 88,133.34 and 35,568.46 is: 49,085.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,862.78 : 88,133.34 = 35,568.46 : x
  2. Step 2: Convert to fraction form
    63,862.78/88,133.34 = 35,568.46/x
  3. Step 3: Cross multiply
    63,862.78x = 88,133.34 × 35,568.46
  4. Step 4: Simplify right side
    63,862.78x = 3,134,767,178.46
  5. Step 5: Solve for x
    x = 3,134,767,178.46/63,862.78
  6. Step 6: Final answer
    x = 49,085.98

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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.