Home / 55,727.11-83,447.95-30,739.39

Finding the Fourth Proportional to 55,727.11, 83,447.95 and 30,739.39

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Solution

The fourth proportional to 55,727.11, 83,447.95 and 30,739.39 is: 46,030.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,727.11 : 83,447.95 = 30,739.39 : x
  2. Step 2: Convert to fraction form
    55,727.11/83,447.95 = 30,739.39/x
  3. Step 3: Cross multiply
    55,727.11x = 83,447.95 × 30,739.39
  4. Step 4: Simplify right side
    55,727.11x = 2,565,138,648.12
  5. Step 5: Solve for x
    x = 2,565,138,648.12/55,727.11
  6. Step 6: Final answer
    x = 46,030.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.