Home / 84,959.76-117,215.27-52,682.75

Finding the Fourth Proportional to 84,959.76, 117,215.27 and 52,682.75

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Solution

The fourth proportional to 84,959.76, 117,215.27 and 52,682.75 is: 72,684.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,959.76 : 117,215.27 = 52,682.75 : x
  2. Step 2: Convert to fraction form
    84,959.76/117,215.27 = 52,682.75/x
  3. Step 3: Cross multiply
    84,959.76x = 117,215.27 × 52,682.75
  4. Step 4: Simplify right side
    84,959.76x = 6,175,221,916.10
  5. Step 5: Solve for x
    x = 6,175,221,916.10/84,959.76
  6. Step 6: Final answer
    x = 72,684.08

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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.