Home / 81,933.25-122,899.88-46,848.30

Finding the Fourth Proportional to 81,933.25, 122,899.88 and 46,848.30

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Solution

The fourth proportional to 81,933.25, 122,899.88 and 46,848.30 is: 70,272.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,933.25 : 122,899.88 = 46,848.30 : x
  2. Step 2: Convert to fraction form
    81,933.25/122,899.88 = 46,848.30/x
  3. Step 3: Cross multiply
    81,933.25x = 122,899.88 × 46,848.30
  4. Step 4: Simplify right side
    81,933.25x = 5,757,650,448.20
  5. Step 5: Solve for x
    x = 5,757,650,448.20/81,933.25
  6. Step 6: Final answer
    x = 70,272.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.