Home / 52,760.74-79,111.95-40,115.06

Finding the Fourth Proportional to 52,760.74, 79,111.95 and 40,115.06

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Solution

The fourth proportional to 52,760.74, 79,111.95 and 40,115.06 is: 60,150.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,760.74 : 79,111.95 = 40,115.06 : x
  2. Step 2: Convert to fraction form
    52,760.74/79,111.95 = 40,115.06/x
  3. Step 3: Cross multiply
    52,760.74x = 79,111.95 × 40,115.06
  4. Step 4: Simplify right side
    52,760.74x = 3,173,580,620.97
  5. Step 5: Solve for x
    x = 3,173,580,620.97/52,760.74
  6. Step 6: Final answer
    x = 60,150.42

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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.