Home / 84,390.66-116,353.26-54,122.58

Finding the Fourth Proportional to 84,390.66, 116,353.26 and 54,122.58

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Solution

The fourth proportional to 84,390.66, 116,353.26 and 54,122.58 is: 74,621.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,390.66 : 116,353.26 = 54,122.58 : x
  2. Step 2: Convert to fraction form
    84,390.66/116,353.26 = 54,122.58/x
  3. Step 3: Cross multiply
    84,390.66x = 116,353.26 × 54,122.58
  4. Step 4: Simplify right side
    84,390.66x = 6,297,338,622.61
  5. Step 5: Solve for x
    x = 6,297,338,622.61/84,390.66
  6. Step 6: Final answer
    x = 74,621.27

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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.