Home / 65,507.16-90,402.30-37,217.64

Finding the Fourth Proportional to 65,507.16, 90,402.30 and 37,217.64

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Solution

The fourth proportional to 65,507.16, 90,402.30 and 37,217.64 is: 51,361.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,507.16 : 90,402.30 = 37,217.64 : x
  2. Step 2: Convert to fraction form
    65,507.16/90,402.30 = 37,217.64/x
  3. Step 3: Cross multiply
    65,507.16x = 90,402.30 × 37,217.64
  4. Step 4: Simplify right side
    65,507.16x = 3,364,560,256.57
  5. Step 5: Solve for x
    x = 3,364,560,256.57/65,507.16
  6. Step 6: Final answer
    x = 51,361.72

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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.