Home / 66,055.23-91,156.23-37,761.53

Finding the Fourth Proportional to 66,055.23, 91,156.23 and 37,761.53

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Solution

The fourth proportional to 66,055.23, 91,156.23 and 37,761.53 is: 52,110.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,055.23 : 91,156.23 = 37,761.53 : x
  2. Step 2: Convert to fraction form
    66,055.23/91,156.23 = 37,761.53/x
  3. Step 3: Cross multiply
    66,055.23x = 91,156.23 × 37,761.53
  4. Step 4: Simplify right side
    66,055.23x = 3,442,198,258.05
  5. Step 5: Solve for x
    x = 3,442,198,258.05/66,055.23
  6. Step 6: Final answer
    x = 52,110.91

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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.