Home / 55,722.11-76,901.81-31,844.15

Finding the Fourth Proportional to 55,722.11, 76,901.81 and 31,844.15

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Solution

The fourth proportional to 55,722.11, 76,901.81 and 31,844.15 is: 43,947.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,722.11 : 76,901.81 = 31,844.15 : x
  2. Step 2: Convert to fraction form
    55,722.11/76,901.81 = 31,844.15/x
  3. Step 3: Cross multiply
    55,722.11x = 76,901.81 × 31,844.15
  4. Step 4: Simplify right side
    55,722.11x = 2,448,872,772.91
  5. Step 5: Solve for x
    x = 2,448,872,772.91/55,722.11
  6. Step 6: Final answer
    x = 43,947.95

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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.