Home / 84,929.24-117,213.72-54,802.15

Finding the Fourth Proportional to 84,929.24, 117,213.72 and 54,802.15

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Solution

The fourth proportional to 84,929.24, 117,213.72 and 54,802.15 is: 75,634.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,929.24 : 117,213.72 = 54,802.15 : x
  2. Step 2: Convert to fraction form
    84,929.24/117,213.72 = 54,802.15/x
  3. Step 3: Cross multiply
    84,929.24x = 117,213.72 × 54,802.15
  4. Step 4: Simplify right side
    84,929.24x = 6,423,563,591.49
  5. Step 5: Solve for x
    x = 6,423,563,591.49/84,929.24
  6. Step 6: Final answer
    x = 75,634.30

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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.