Home / 65,139.32-97,710.66-17,754.80

Finding the Fourth Proportional to 65,139.32, 97,710.66 and 17,754.80

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Solution

The fourth proportional to 65,139.32, 97,710.66 and 17,754.80 is: 26,632.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,139.32 : 97,710.66 = 17,754.80 : x
  2. Step 2: Convert to fraction form
    65,139.32/97,710.66 = 17,754.80/x
  3. Step 3: Cross multiply
    65,139.32x = 97,710.66 × 17,754.80
  4. Step 4: Simplify right side
    65,139.32x = 1,734,833,226.17
  5. Step 5: Solve for x
    x = 1,734,833,226.17/65,139.32
  6. Step 6: Final answer
    x = 26,632.66

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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.