Home / 66,146.57-91,247.27-41,904.77

Finding the Fourth Proportional to 66,146.57, 91,247.27 and 41,904.77

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Solution

The fourth proportional to 66,146.57, 91,247.27 and 41,904.77 is: 57,806.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,146.57 : 91,247.27 = 41,904.77 : x
  2. Step 2: Convert to fraction form
    66,146.57/91,247.27 = 41,904.77/x
  3. Step 3: Cross multiply
    66,146.57x = 91,247.27 × 41,904.77
  4. Step 4: Simplify right side
    66,146.57x = 3,823,695,196.72
  5. Step 5: Solve for x
    x = 3,823,695,196.72/66,146.57
  6. Step 6: Final answer
    x = 57,806.41

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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.