Home / 53,277.86-79,930.19-15,327.20

Finding the Fourth Proportional to 53,277.86, 79,930.19 and 15,327.20

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Solution

The fourth proportional to 53,277.86, 79,930.19 and 15,327.20 is: 22,994.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,277.86 : 79,930.19 = 15,327.20 : x
  2. Step 2: Convert to fraction form
    53,277.86/79,930.19 = 15,327.20/x
  3. Step 3: Cross multiply
    53,277.86x = 79,930.19 × 15,327.20
  4. Step 4: Simplify right side
    53,277.86x = 1,225,106,246.31
  5. Step 5: Solve for x
    x = 1,225,106,246.31/53,277.86
  6. Step 6: Final answer
    x = 22,994.66

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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.