Home / 69,215.18-95,310.87-64,191.50

Finding the Fourth Proportional to 69,215.18, 95,310.87 and 64,191.50

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Solution

The fourth proportional to 69,215.18, 95,310.87 and 64,191.50 is: 88,393.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,215.18 : 95,310.87 = 64,191.50 : x
  2. Step 2: Convert to fraction form
    69,215.18/95,310.87 = 64,191.50/x
  3. Step 3: Cross multiply
    69,215.18x = 95,310.87 × 64,191.50
  4. Step 4: Simplify right side
    69,215.18x = 6,118,147,235.05
  5. Step 5: Solve for x
    x = 6,118,147,235.05/69,215.18
  6. Step 6: Final answer
    x = 88,393.15

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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.