Home / 66,300.12-91,526.76-51,934.37

Finding the Fourth Proportional to 66,300.12, 91,526.76 and 51,934.37

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Solution

The fourth proportional to 66,300.12, 91,526.76 and 51,934.37 is: 71,694.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,300.12 : 91,526.76 = 51,934.37 : x
  2. Step 2: Convert to fraction form
    66,300.12/91,526.76 = 51,934.37/x
  3. Step 3: Cross multiply
    66,300.12x = 91,526.76 × 51,934.37
  4. Step 4: Simplify right side
    66,300.12x = 4,753,384,161.11
  5. Step 5: Solve for x
    x = 4,753,384,161.11/66,300.12
  6. Step 6: Final answer
    x = 71,694.96

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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.