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Finding the Fourth Proportional to 69,214.43, 95,309.84 and 64,190.75

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Solution

The fourth proportional to 69,214.43, 95,309.84 and 64,190.75 is: 88,392.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,214.43 : 95,309.84 = 64,190.75 : x
  2. Step 2: Convert to fraction form
    69,214.43/95,309.84 = 64,190.75/x
  3. Step 3: Cross multiply
    69,214.43x = 95,309.84 × 64,190.75
  4. Step 4: Simplify right side
    69,214.43x = 6,118,009,314.48
  5. Step 5: Solve for x
    x = 6,118,009,314.48/69,214.43
  6. Step 6: Final answer
    x = 88,392.11

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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.