Home / 69,215.19-95,517.86-40,920.63

Finding the Fourth Proportional to 69,215.19, 95,517.86 and 40,920.63

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Solution

The fourth proportional to 69,215.19, 95,517.86 and 40,920.63 is: 56,471.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,215.19 : 95,517.86 = 40,920.63 : x
  2. Step 2: Convert to fraction form
    69,215.19/95,517.86 = 40,920.63/x
  3. Step 3: Cross multiply
    69,215.19x = 95,517.86 × 40,920.63
  4. Step 4: Simplify right side
    69,215.19x = 3,908,650,802.85
  5. Step 5: Solve for x
    x = 3,908,650,802.85/69,215.19
  6. Step 6: Final answer
    x = 56,471.00

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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.