Home / 53,176.60-79,764.54-25,390.36

Finding the Fourth Proportional to 53,176.60, 79,764.54 and 25,390.36

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Solution

The fourth proportional to 53,176.60, 79,764.54 and 25,390.36 is: 38,085.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,176.60 : 79,764.54 = 25,390.36 : x
  2. Step 2: Convert to fraction form
    53,176.60/79,764.54 = 25,390.36/x
  3. Step 3: Cross multiply
    53,176.60x = 79,764.54 × 25,390.36
  4. Step 4: Simplify right side
    53,176.60x = 2,025,250,385.83
  5. Step 5: Solve for x
    x = 2,025,250,385.83/53,176.60
  6. Step 6: Final answer
    x = 38,085.37

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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.