Home / 84,542.60-126,809.54-28,383.14

Finding the Fourth Proportional to 84,542.60, 126,809.54 and 28,383.14

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Solution

The fourth proportional to 84,542.60, 126,809.54 and 28,383.14 is: 42,573.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,542.60 : 126,809.54 = 28,383.14 : x
  2. Step 2: Convert to fraction form
    84,542.60/126,809.54 = 28,383.14/x
  3. Step 3: Cross multiply
    84,542.60x = 126,809.54 × 28,383.14
  4. Step 4: Simplify right side
    84,542.60x = 3,599,252,927.16
  5. Step 5: Solve for x
    x = 3,599,252,927.16/84,542.60
  6. Step 6: Final answer
    x = 42,573.25

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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.