Home / 123,977.60-171,077.14-69,532.01

Finding the Fourth Proportional to 123,977.60, 171,077.14 and 69,532.01

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Solution

The fourth proportional to 123,977.60, 171,077.14 and 69,532.01 is: 95,947.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,977.60 : 171,077.14 = 69,532.01 : x
  2. Step 2: Convert to fraction form
    123,977.60/171,077.14 = 69,532.01/x
  3. Step 3: Cross multiply
    123,977.60x = 171,077.14 × 69,532.01
  4. Step 4: Simplify right side
    123,977.60x = 11,895,337,282.32
  5. Step 5: Solve for x
    x = 11,895,337,282.32/123,977.60
  6. Step 6: Final answer
    x = 95,947.47

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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.