Home / 66,020.50-91,108.44-37,726.12

Finding the Fourth Proportional to 66,020.50, 91,108.44 and 37,726.12

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Solution

The fourth proportional to 66,020.50, 91,108.44 and 37,726.12 is: 52,062.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,020.50 : 91,108.44 = 37,726.12 : x
  2. Step 2: Convert to fraction form
    66,020.50/91,108.44 = 37,726.12/x
  3. Step 3: Cross multiply
    66,020.50x = 91,108.44 × 37,726.12
  4. Step 4: Simplify right side
    66,020.50x = 3,437,167,940.45
  5. Step 5: Solve for x
    x = 3,437,167,940.45/66,020.50
  6. Step 6: Final answer
    x = 52,062.13

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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.