Home / 84,799.17-116,974.80-54,116.37

Finding the Fourth Proportional to 84,799.17, 116,974.80 and 54,116.37

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Solution

The fourth proportional to 84,799.17, 116,974.80 and 54,116.37 is: 74,649.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,799.17 : 116,974.80 = 54,116.37 : x
  2. Step 2: Convert to fraction form
    84,799.17/116,974.80 = 54,116.37/x
  3. Step 3: Cross multiply
    84,799.17x = 116,974.80 × 54,116.37
  4. Step 4: Simplify right side
    84,799.17x = 6,330,251,557.48
  5. Step 5: Solve for x
    x = 6,330,251,557.48/84,799.17
  6. Step 6: Final answer
    x = 74,649.92

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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.