Home / 69,337.67-95,655.59-40,642.79

Finding the Fourth Proportional to 69,337.67, 95,655.59 and 40,642.79

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Solution

The fourth proportional to 69,337.67, 95,655.59 and 40,642.79 is: 56,069.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,337.67 : 95,655.59 = 40,642.79 : x
  2. Step 2: Convert to fraction form
    69,337.67/95,655.59 = 40,642.79/x
  3. Step 3: Cross multiply
    69,337.67x = 95,655.59 × 40,642.79
  4. Step 4: Simplify right side
    69,337.67x = 3,887,709,680.03
  5. Step 5: Solve for x
    x = 3,887,709,680.03/69,337.67
  6. Step 6: Final answer
    x = 56,069.23

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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.