Home / 84,311.47-126,383.37-46,888.66

Finding the Fourth Proportional to 84,311.47, 126,383.37 and 46,888.66

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Solution

The fourth proportional to 84,311.47, 126,383.37 and 46,888.66 is: 70,286.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,311.47 : 126,383.37 = 46,888.66 : x
  2. Step 2: Convert to fraction form
    84,311.47/126,383.37 = 46,888.66/x
  3. Step 3: Cross multiply
    84,311.47x = 126,383.37 × 46,888.66
  4. Step 4: Simplify right side
    84,311.47x = 5,925,946,865.58
  5. Step 5: Solve for x
    x = 5,925,946,865.58/84,311.47
  6. Step 6: Final answer
    x = 70,286.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.