Home / 66,238.07-91,407.66-36,022.74

Finding the Fourth Proportional to 66,238.07, 91,407.66 and 36,022.74

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Solution

The fourth proportional to 66,238.07, 91,407.66 and 36,022.74 is: 49,710.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,238.07 : 91,407.66 = 36,022.74 : x
  2. Step 2: Convert to fraction form
    66,238.07/91,407.66 = 36,022.74/x
  3. Step 3: Cross multiply
    66,238.07x = 91,407.66 × 36,022.74
  4. Step 4: Simplify right side
    66,238.07x = 3,292,754,406.49
  5. Step 5: Solve for x
    x = 3,292,754,406.49/66,238.07
  6. Step 6: Final answer
    x = 49,710.90

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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.