Home / 88,717.56-133,078.18-31,795.16

Finding the Fourth Proportional to 88,717.56, 133,078.18 and 31,795.16

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Solution

The fourth proportional to 88,717.56, 133,078.18 and 31,795.16 is: 47,693.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,717.56 : 133,078.18 = 31,795.16 : x
  2. Step 2: Convert to fraction form
    88,717.56/133,078.18 = 31,795.16/x
  3. Step 3: Cross multiply
    88,717.56x = 133,078.18 × 31,795.16
  4. Step 4: Simplify right side
    88,717.56x = 4,231,241,866.63
  5. Step 5: Solve for x
    x = 4,231,241,866.63/88,717.56
  6. Step 6: Final answer
    x = 47,693.40

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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.