Home / 65,130.13-97,694.11-20,756.29

Finding the Fourth Proportional to 65,130.13, 97,694.11 and 20,756.29

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Solution

The fourth proportional to 65,130.13, 97,694.11 and 20,756.29 is: 31,134.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,130.13 : 97,694.11 = 20,756.29 : x
  2. Step 2: Convert to fraction form
    65,130.13/97,694.11 = 20,756.29/x
  3. Step 3: Cross multiply
    65,130.13x = 97,694.11 × 20,756.29
  4. Step 4: Simplify right side
    65,130.13x = 2,027,767,278.45
  5. Step 5: Solve for x
    x = 2,027,767,278.45/65,130.13
  6. Step 6: Final answer
    x = 31,134.09

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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.