Home / 55,616.27-76,746.20-31,739.72

Finding the Fourth Proportional to 55,616.27, 76,746.20 and 31,739.72

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Solution

The fourth proportional to 55,616.27, 76,746.20 and 31,739.72 is: 43,798.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,616.27 : 76,746.20 = 31,739.72 : x
  2. Step 2: Convert to fraction form
    55,616.27/76,746.20 = 31,739.72/x
  3. Step 3: Cross multiply
    55,616.27x = 76,746.20 × 31,739.72
  4. Step 4: Simplify right side
    55,616.27x = 2,435,902,356.63
  5. Step 5: Solve for x
    x = 2,435,902,356.63/55,616.27
  6. Step 6: Final answer
    x = 43,798.38

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1.5x scale

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.