Home / 65,475.64-90,357.02-37,181.53

Finding the Fourth Proportional to 65,475.64, 90,357.02 and 37,181.53

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Solution

The fourth proportional to 65,475.64, 90,357.02 and 37,181.53 is: 51,310.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,475.64 : 90,357.02 = 37,181.53 : x
  2. Step 2: Convert to fraction form
    65,475.64/90,357.02 = 37,181.53/x
  3. Step 3: Cross multiply
    65,475.64x = 90,357.02 × 37,181.53
  4. Step 4: Simplify right side
    65,475.64x = 3,359,612,249.84
  5. Step 5: Solve for x
    x = 3,359,612,249.84/65,475.64
  6. Step 6: Final answer
    x = 51,310.87

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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.