Home / 65,324.13-90,149.12-37,031.64

Finding the Fourth Proportional to 65,324.13, 90,149.12 and 37,031.64

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Solution

The fourth proportional to 65,324.13, 90,149.12 and 37,031.64 is: 51,104.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,324.13 : 90,149.12 = 37,031.64 : x
  2. Step 2: Convert to fraction form
    65,324.13/90,149.12 = 37,031.64/x
  3. Step 3: Cross multiply
    65,324.13x = 90,149.12 × 37,031.64
  4. Step 4: Simplify right side
    65,324.13x = 3,338,369,758.16
  5. Step 5: Solve for x
    x = 3,338,369,758.16/65,324.13
  6. Step 6: Final answer
    x = 51,104.70

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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.