Home / 84,899.19-127,407.26-34,979.36

Finding the Fourth Proportional to 84,899.19, 127,407.26 and 34,979.36

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Solution

The fourth proportional to 84,899.19, 127,407.26 and 34,979.36 is: 52,493.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,899.19 : 127,407.26 = 34,979.36 : x
  2. Step 2: Convert to fraction form
    84,899.19/127,407.26 = 34,979.36/x
  3. Step 3: Cross multiply
    84,899.19x = 127,407.26 × 34,979.36
  4. Step 4: Simplify right side
    84,899.19x = 4,456,624,581.23
  5. Step 5: Solve for x
    x = 4,456,624,581.23/84,899.19
  6. Step 6: Final answer
    x = 52,493.14

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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.