Home / 55,565.01-76,675.37-31,690.17

Finding the Fourth Proportional to 55,565.01, 76,675.37 and 31,690.17

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Solution

The fourth proportional to 55,565.01, 76,675.37 and 31,690.17 is: 43,729.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,565.01 : 76,675.37 = 31,690.17 : x
  2. Step 2: Convert to fraction form
    55,565.01/76,675.37 = 31,690.17/x
  3. Step 3: Cross multiply
    55,565.01x = 76,675.37 × 31,690.17
  4. Step 4: Simplify right side
    55,565.01x = 2,429,855,351.66
  5. Step 5: Solve for x
    x = 2,429,855,351.66/55,565.01
  6. Step 6: Final answer
    x = 43,729.95

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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.