Home / 88,009.46-131,961.47-28,012.02

Finding the Fourth Proportional to 88,009.46, 131,961.47 and 28,012.02

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Solution

The fourth proportional to 88,009.46, 131,961.47 and 28,012.02 is: 42,001.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,009.46 : 131,961.47 = 28,012.02 : x
  2. Step 2: Convert to fraction form
    88,009.46/131,961.47 = 28,012.02/x
  3. Step 3: Cross multiply
    88,009.46x = 131,961.47 × 28,012.02
  4. Step 4: Simplify right side
    88,009.46x = 3,696,507,568.11
  5. Step 5: Solve for x
    x = 3,696,507,568.11/88,009.46
  6. Step 6: Final answer
    x = 42,001.25

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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.