Home / 53,119.89-79,680.29-15,169.06

Finding the Fourth Proportional to 53,119.89, 79,680.29 and 15,169.06

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Solution

The fourth proportional to 53,119.89, 79,680.29 and 15,169.06 is: 22,753.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,119.89 : 79,680.29 = 15,169.06 : x
  2. Step 2: Convert to fraction form
    53,119.89/79,680.29 = 15,169.06/x
  3. Step 3: Cross multiply
    53,119.89x = 79,680.29 × 15,169.06
  4. Step 4: Simplify right side
    53,119.89x = 1,208,675,099.83
  5. Step 5: Solve for x
    x = 1,208,675,099.83/53,119.89
  6. Step 6: Final answer
    x = 22,753.72

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1.5x scale

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.