Home / 86,738.78-119,704.10-52,741.64

Finding the Fourth Proportional to 86,738.78, 119,704.10 and 52,741.64

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Solution

The fourth proportional to 86,738.78, 119,704.10 and 52,741.64 is: 72,786.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,738.78 : 119,704.10 = 52,741.64 : x
  2. Step 2: Convert to fraction form
    86,738.78/119,704.10 = 52,741.64/x
  3. Step 3: Cross multiply
    86,738.78x = 119,704.10 × 52,741.64
  4. Step 4: Simplify right side
    86,738.78x = 6,313,390,584.28
  5. Step 5: Solve for x
    x = 6,313,390,584.28/86,738.78
  6. Step 6: Final answer
    x = 72,786.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.