Home / 84,934.08-117,178.72-58,392

Finding the Fourth Proportional to 84,934.08, 117,178.72 and 58,392

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Solution

The fourth proportional to 84,934.08, 117,178.72 and 58,392 is: 80,560.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,934.08 : 117,178.72 = 58,392 : x
  2. Step 2: Convert to fraction form
    84,934.08/117,178.72 = 58,392/x
  3. Step 3: Cross multiply
    84,934.08x = 117,178.72 × 58,392
  4. Step 4: Simplify right side
    84,934.08x = 6,842,299,818.24
  5. Step 5: Solve for x
    x = 6,842,299,818.24/84,934.08
  6. Step 6: Final answer
    x = 80,560.12

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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.