Home / 66,249.18-91,419.30-37,570.32

Finding the Fourth Proportional to 66,249.18, 91,419.30 and 37,570.32

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Solution

The fourth proportional to 66,249.18, 91,419.30 and 37,570.32 is: 51,844.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,249.18 : 91,419.30 = 37,570.32 : x
  2. Step 2: Convert to fraction form
    66,249.18/91,419.30 = 37,570.32/x
  3. Step 3: Cross multiply
    66,249.18x = 91,419.30 × 37,570.32
  4. Step 4: Simplify right side
    66,249.18x = 3,434,652,355.18
  5. Step 5: Solve for x
    x = 3,434,652,355.18/66,249.18
  6. Step 6: Final answer
    x = 51,844.45

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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.