Home / 65,907.27-90,958.55-37,617.21

Finding the Fourth Proportional to 65,907.27, 90,958.55 and 37,617.21

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Solution

The fourth proportional to 65,907.27, 90,958.55 and 37,617.21 is: 51,915.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,907.27 : 90,958.55 = 37,617.21 : x
  2. Step 2: Convert to fraction form
    65,907.27/90,958.55 = 37,617.21/x
  3. Step 3: Cross multiply
    65,907.27x = 90,958.55 × 37,617.21
  4. Step 4: Simplify right side
    65,907.27x = 3,421,606,688.56
  5. Step 5: Solve for x
    x = 3,421,606,688.56/65,907.27
  6. Step 6: Final answer
    x = 51,915.47

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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.