Home / 66,381.52-91,544.96-48,448.12

Finding the Fourth Proportional to 66,381.52, 91,544.96 and 48,448.12

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Solution

The fourth proportional to 66,381.52, 91,544.96 and 48,448.12 is: 66,813.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,381.52 : 91,544.96 = 48,448.12 : x
  2. Step 2: Convert to fraction form
    66,381.52/91,544.96 = 48,448.12/x
  3. Step 3: Cross multiply
    66,381.52x = 91,544.96 × 48,448.12
  4. Step 4: Simplify right side
    66,381.52x = 4,435,181,207.48
  5. Step 5: Solve for x
    x = 4,435,181,207.48/66,381.52
  6. Step 6: Final answer
    x = 66,813.49

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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.