Home / 69,119.78-95,384.48-40,052.12

Finding the Fourth Proportional to 69,119.78, 95,384.48 and 40,052.12

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Solution

The fourth proportional to 69,119.78, 95,384.48 and 40,052.12 is: 55,271.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,119.78 : 95,384.48 = 40,052.12 : x
  2. Step 2: Convert to fraction form
    69,119.78/95,384.48 = 40,052.12/x
  3. Step 3: Cross multiply
    69,119.78x = 95,384.48 × 40,052.12
  4. Step 4: Simplify right side
    69,119.78x = 3,820,349,961.91
  5. Step 5: Solve for x
    x = 3,820,349,961.91/69,119.78
  6. Step 6: Final answer
    x = 55,271.45

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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.