Home / 84,886.17-117,146.61-47,160.42

Finding the Fourth Proportional to 84,886.17, 117,146.61 and 47,160.42

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Solution

The fourth proportional to 84,886.17, 117,146.61 and 47,160.42 is: 65,083.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,886.17 : 117,146.61 = 47,160.42 : x
  2. Step 2: Convert to fraction form
    84,886.17/117,146.61 = 47,160.42/x
  3. Step 3: Cross multiply
    84,886.17x = 117,146.61 × 47,160.42
  4. Step 4: Simplify right side
    84,886.17x = 5,524,683,329.18
  5. Step 5: Solve for x
    x = 5,524,683,329.18/84,886.17
  6. Step 6: Final answer
    x = 65,083.43

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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.