Home / 65,561.27-90,461.00-38,332.11

Finding the Fourth Proportional to 65,561.27, 90,461.00 and 38,332.11

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Solution

The fourth proportional to 65,561.27, 90,461.00 and 38,332.11 is: 52,890.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,561.27 : 90,461.00 = 38,332.11 : x
  2. Step 2: Convert to fraction form
    65,561.27/90,461.00 = 38,332.11/x
  3. Step 3: Cross multiply
    65,561.27x = 90,461.00 × 38,332.11
  4. Step 4: Simplify right side
    65,561.27x = 3,467,560,811.05
  5. Step 5: Solve for x
    x = 3,467,560,811.05/65,561.27
  6. Step 6: Final answer
    x = 52,890.38

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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.