Home / 55,947.71-83,920.74-13,827.79

Finding the Fourth Proportional to 55,947.71, 83,920.74 and 13,827.79

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Solution

The fourth proportional to 55,947.71, 83,920.74 and 13,827.79 is: 20,741.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,947.71 : 83,920.74 = 13,827.79 : x
  2. Step 2: Convert to fraction form
    55,947.71/83,920.74 = 13,827.79/x
  3. Step 3: Cross multiply
    55,947.71x = 83,920.74 × 13,827.79
  4. Step 4: Simplify right side
    55,947.71x = 1,160,438,510.03
  5. Step 5: Solve for x
    x = 1,160,438,510.03/55,947.71
  6. Step 6: Final answer
    x = 20,741.49

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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.