Home / 66,126.52-91,232.40-37,442.26

Finding the Fourth Proportional to 66,126.52, 91,232.40 and 37,442.26

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Solution

The fourth proportional to 66,126.52, 91,232.40 and 37,442.26 is: 51,657.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,126.52 : 91,232.40 = 37,442.26 : x
  2. Step 2: Convert to fraction form
    66,126.52/91,232.40 = 37,442.26/x
  3. Step 3: Cross multiply
    66,126.52x = 91,232.40 × 37,442.26
  4. Step 4: Simplify right side
    66,126.52x = 3,415,947,241.22
  5. Step 5: Solve for x
    x = 3,415,947,241.22/66,126.52
  6. Step 6: Final answer
    x = 51,657.75

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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.