Home / 65,637.36-98,471.56-21,264.04

Finding the Fourth Proportional to 65,637.36, 98,471.56 and 21,264.04

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Solution

The fourth proportional to 65,637.36, 98,471.56 and 21,264.04 is: 31,901.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,637.36 : 98,471.56 = 21,264.04 : x
  2. Step 2: Convert to fraction form
    65,637.36/98,471.56 = 21,264.04/x
  3. Step 3: Cross multiply
    65,637.36x = 98,471.56 × 21,264.04
  4. Step 4: Simplify right side
    65,637.36x = 2,093,903,190.70
  5. Step 5: Solve for x
    x = 2,093,903,190.70/65,637.36
  6. Step 6: Final answer
    x = 31,901.09

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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.