Home / 65,011.14-97,520.09-20,641.37

Finding the Fourth Proportional to 65,011.14, 97,520.09 and 20,641.37

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Solution

The fourth proportional to 65,011.14, 97,520.09 and 20,641.37 is: 30,963.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,011.14 : 97,520.09 = 20,641.37 : x
  2. Step 2: Convert to fraction form
    65,011.14/97,520.09 = 20,641.37/x
  3. Step 3: Cross multiply
    65,011.14x = 97,520.09 × 20,641.37
  4. Step 4: Simplify right side
    65,011.14x = 2,012,947,669.32
  5. Step 5: Solve for x
    x = 2,012,947,669.32/65,011.14
  6. Step 6: Final answer
    x = 30,963.12

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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.