Home / 88,710.10-133,065.15-26,380.60

Finding the Fourth Proportional to 88,710.10, 133,065.15 and 26,380.60

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Solution

The fourth proportional to 88,710.10, 133,065.15 and 26,380.60 is: 39,570.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,710.10 : 133,065.15 = 26,380.60 : x
  2. Step 2: Convert to fraction form
    88,710.10/133,065.15 = 26,380.60/x
  3. Step 3: Cross multiply
    88,710.10x = 133,065.15 × 26,380.60
  4. Step 4: Simplify right side
    88,710.10x = 3,510,338,496.09
  5. Step 5: Solve for x
    x = 3,510,338,496.09/88,710.10
  6. Step 6: Final answer
    x = 39,570.90

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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.