Home / 65,301.30-97,947.84-38,986.23

Finding the Fourth Proportional to 65,301.30, 97,947.84 and 38,986.23

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Solution

The fourth proportional to 65,301.30, 97,947.84 and 38,986.23 is: 58,476.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,301.30 : 97,947.84 = 38,986.23 : x
  2. Step 2: Convert to fraction form
    65,301.30/97,947.84 = 38,986.23/x
  3. Step 3: Cross multiply
    65,301.30x = 97,947.84 × 38,986.23
  4. Step 4: Simplify right side
    65,301.30x = 3,818,617,018.24
  5. Step 5: Solve for x
    x = 3,818,617,018.24/65,301.30
  6. Step 6: Final answer
    x = 58,476.89

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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.