Home / 88,724.80-133,087.20-26,387.20

Finding the Fourth Proportional to 88,724.80, 133,087.20 and 26,387.20

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Solution

The fourth proportional to 88,724.80, 133,087.20 and 26,387.20 is: 39,580.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,724.80 : 133,087.20 = 26,387.20 : x
  2. Step 2: Convert to fraction form
    88,724.80/133,087.20 = 26,387.20/x
  3. Step 3: Cross multiply
    88,724.80x = 133,087.20 × 26,387.20
  4. Step 4: Simplify right side
    88,724.80x = 3,511,798,563.84
  5. Step 5: Solve for x
    x = 3,511,798,563.84/88,724.80
  6. Step 6: Final answer
    x = 39,580.80

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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.