Home / 115,979.60-173,839.80-66,083.60

Finding the Fourth Proportional to 115,979.60, 173,839.80 and 66,083.60

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Solution

The fourth proportional to 115,979.60, 173,839.80 and 66,083.60 is: 99,051.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,979.60 : 173,839.80 = 66,083.60 : x
  2. Step 2: Convert to fraction form
    115,979.60/173,839.80 = 66,083.60/x
  3. Step 3: Cross multiply
    115,979.60x = 173,839.80 × 66,083.60
  4. Step 4: Simplify right side
    115,979.60x = 11,487,959,807.28
  5. Step 5: Solve for x
    x = 11,487,959,807.28/115,979.60
  6. Step 6: Final answer
    x = 99,051.56

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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.