Home / 65,173.17-89,907.66-38,314.38

Finding the Fourth Proportional to 65,173.17, 89,907.66 and 38,314.38

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Solution

The fourth proportional to 65,173.17, 89,907.66 and 38,314.38 is: 52,855.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,173.17 : 89,907.66 = 38,314.38 : x
  2. Step 2: Convert to fraction form
    65,173.17/89,907.66 = 38,314.38/x
  3. Step 3: Cross multiply
    65,173.17x = 89,907.66 × 38,314.38
  4. Step 4: Simplify right side
    65,173.17x = 3,444,756,250.15
  5. Step 5: Solve for x
    x = 3,444,756,250.15/65,173.17
  6. Step 6: Final answer
    x = 52,855.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.