Home / 97,740.32-134,867.30-54,717.57

Finding the Fourth Proportional to 97,740.32, 134,867.30 and 54,717.57

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Solution

The fourth proportional to 97,740.32, 134,867.30 and 54,717.57 is: 75,502.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,740.32 : 134,867.30 = 54,717.57 : x
  2. Step 2: Convert to fraction form
    97,740.32/134,867.30 = 54,717.57/x
  3. Step 3: Cross multiply
    97,740.32x = 134,867.30 × 54,717.57
  4. Step 4: Simplify right side
    97,740.32x = 7,379,610,654.87
  5. Step 5: Solve for x
    x = 7,379,610,654.87/97,740.32
  6. Step 6: Final answer
    x = 75,502.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.