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Finding the Fourth Proportional to 63,894.90, 88,178.97 and 35,214.55

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Solution

The fourth proportional to 63,894.90, 88,178.97 and 35,214.55 is: 48,598.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,894.90 : 88,178.97 = 35,214.55 : x
  2. Step 2: Convert to fraction form
    63,894.90/88,178.97 = 35,214.55/x
  3. Step 3: Cross multiply
    63,894.90x = 88,178.97 × 35,214.55
  4. Step 4: Simplify right side
    63,894.90x = 3,105,182,748.01
  5. Step 5: Solve for x
    x = 3,105,182,748.01/63,894.90
  6. Step 6: Final answer
    x = 48,598.29

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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.