Home / 53,106.38-79,670.09-15,667.10

Finding the Fourth Proportional to 53,106.38, 79,670.09 and 15,667.10

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Solution

The fourth proportional to 53,106.38, 79,670.09 and 15,667.10 is: 23,503.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,106.38 : 79,670.09 = 15,667.10 : x
  2. Step 2: Convert to fraction form
    53,106.38/79,670.09 = 15,667.10/x
  3. Step 3: Cross multiply
    53,106.38x = 79,670.09 × 15,667.10
  4. Step 4: Simplify right side
    53,106.38x = 1,248,198,907.86
  5. Step 5: Solve for x
    x = 1,248,198,907.86/53,106.38
  6. Step 6: Final answer
    x = 23,503.75

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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.