Home / 55,565.47-76,679.57-31,692.53

Finding the Fourth Proportional to 55,565.47, 76,679.57 and 31,692.53

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Solution

The fourth proportional to 55,565.47, 76,679.57 and 31,692.53 is: 43,735.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,565.47 : 76,679.57 = 31,692.53 : x
  2. Step 2: Convert to fraction form
    55,565.47/76,679.57 = 31,692.53/x
  3. Step 3: Cross multiply
    55,565.47x = 76,679.57 × 31,692.53
  4. Step 4: Simplify right side
    55,565.47x = 2,430,169,414.15
  5. Step 5: Solve for x
    x = 2,430,169,414.15/55,565.47
  6. Step 6: Final answer
    x = 43,735.25

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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.