Home / 47,916.78-71,875.78-26,853.54

Finding the Fourth Proportional to 47,916.78, 71,875.78 and 26,853.54

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Solution

The fourth proportional to 47,916.78, 71,875.78 and 26,853.54 is: 40,280.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,916.78 : 71,875.78 = 26,853.54 : x
  2. Step 2: Convert to fraction form
    47,916.78/71,875.78 = 26,853.54/x
  3. Step 3: Cross multiply
    47,916.78x = 71,875.78 × 26,853.54
  4. Step 4: Simplify right side
    47,916.78x = 1,930,119,133.26
  5. Step 5: Solve for x
    x = 1,930,119,133.26/47,916.78
  6. Step 6: Final answer
    x = 40,280.65

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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.