Home / 52,541.71-72,506.80-28,667.90

Finding the Fourth Proportional to 52,541.71, 72,506.80 and 28,667.90

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Solution

The fourth proportional to 52,541.71, 72,506.80 and 28,667.90 is: 39,561.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,541.71 : 72,506.80 = 28,667.90 : x
  2. Step 2: Convert to fraction form
    52,541.71/72,506.80 = 28,667.90/x
  3. Step 3: Cross multiply
    52,541.71x = 72,506.80 × 28,667.90
  4. Step 4: Simplify right side
    52,541.71x = 2,078,617,691.72
  5. Step 5: Solve for x
    x = 2,078,617,691.72/52,541.71
  6. Step 6: Final answer
    x = 39,561.29

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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.