Home / 69,441.13-95,739.24-56,681.20

Finding the Fourth Proportional to 69,441.13, 95,739.24 and 56,681.20

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Solution

The fourth proportional to 69,441.13, 95,739.24 and 56,681.20 is: 78,146.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,441.13 : 95,739.24 = 56,681.20 : x
  2. Step 2: Convert to fraction form
    69,441.13/95,739.24 = 56,681.20/x
  3. Step 3: Cross multiply
    69,441.13x = 95,739.24 × 56,681.20
  4. Step 4: Simplify right side
    69,441.13x = 5,426,615,010.29
  5. Step 5: Solve for x
    x = 5,426,615,010.29/69,441.13
  6. Step 6: Final answer
    x = 78,146.99

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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.