Home / 123,883.02-170,952.84-69,439.86

Finding the Fourth Proportional to 123,883.02, 170,952.84 and 69,439.86

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Solution

The fourth proportional to 123,883.02, 170,952.84 and 69,439.86 is: 95,823.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,883.02 : 170,952.84 = 69,439.86 : x
  2. Step 2: Convert to fraction form
    123,883.02/170,952.84 = 69,439.86/x
  3. Step 3: Cross multiply
    123,883.02x = 170,952.84 × 69,439.86
  4. Step 4: Simplify right side
    123,883.02x = 11,870,941,276.20
  5. Step 5: Solve for x
    x = 11,870,941,276.20/123,883.02
  6. Step 6: Final answer
    x = 95,823.80

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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.