Home / 47,979.18-71,974.80-25,762.02

Finding the Fourth Proportional to 47,979.18, 71,974.80 and 25,762.02

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Solution

The fourth proportional to 47,979.18, 71,974.80 and 25,762.02 is: 38,646.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,979.18 : 71,974.80 = 25,762.02 : x
  2. Step 2: Convert to fraction form
    47,979.18/71,974.80 = 25,762.02/x
  3. Step 3: Cross multiply
    47,979.18x = 71,974.80 × 25,762.02
  4. Step 4: Simplify right side
    47,979.18x = 1,854,216,237.10
  5. Step 5: Solve for x
    x = 1,854,216,237.10/47,979.18
  6. Step 6: Final answer
    x = 38,646.27

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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.