Home / 84,918.24-127,411.92-38,193.12

Finding the Fourth Proportional to 84,918.24, 127,411.92 and 38,193.12

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Solution

The fourth proportional to 84,918.24, 127,411.92 and 38,193.12 is: 57,305.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,918.24 : 127,411.92 = 38,193.12 : x
  2. Step 2: Convert to fraction form
    84,918.24/127,411.92 = 38,193.12/x
  3. Step 3: Cross multiply
    84,918.24x = 127,411.92 × 38,193.12
  4. Step 4: Simplify right side
    84,918.24x = 4,866,258,749.99
  5. Step 5: Solve for x
    x = 4,866,258,749.99/84,918.24
  6. Step 6: Final answer
    x = 57,305.22

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1.5x scale

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.