Home / 65,422.24-90,285.46-37,130.56

Finding the Fourth Proportional to 65,422.24, 90,285.46 and 37,130.56

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Solution

The fourth proportional to 65,422.24, 90,285.46 and 37,130.56 is: 51,241.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,422.24 : 90,285.46 = 37,130.56 : x
  2. Step 2: Convert to fraction form
    65,422.24/90,285.46 = 37,130.56/x
  3. Step 3: Cross multiply
    65,422.24x = 90,285.46 × 37,130.56
  4. Step 4: Simplify right side
    65,422.24x = 3,352,349,689.66
  5. Step 5: Solve for x
    x = 3,352,349,689.66/65,422.24
  6. Step 6: Final answer
    x = 51,241.74

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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.