Home / 84,839.40-117,024.58-52,119.48

Finding the Fourth Proportional to 84,839.40, 117,024.58 and 52,119.48

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Solution

The fourth proportional to 84,839.40, 117,024.58 and 52,119.48 is: 71,891.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,839.40 : 117,024.58 = 52,119.48 : x
  2. Step 2: Convert to fraction form
    84,839.40/117,024.58 = 52,119.48/x
  3. Step 3: Cross multiply
    84,839.40x = 117,024.58 × 52,119.48
  4. Step 4: Simplify right side
    84,839.40x = 6,099,260,256.82
  5. Step 5: Solve for x
    x = 6,099,260,256.82/84,839.40
  6. Step 6: Final answer
    x = 71,891.84

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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.