Home / 97,375.30-134,400.32-57,102.02

Finding the Fourth Proportional to 97,375.30, 134,400.32 and 57,102.02

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Solution

The fourth proportional to 97,375.30, 134,400.32 and 57,102.02 is: 78,813.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,375.30 : 134,400.32 = 57,102.02 : x
  2. Step 2: Convert to fraction form
    97,375.30/134,400.32 = 57,102.02/x
  3. Step 3: Cross multiply
    97,375.30x = 134,400.32 × 57,102.02
  4. Step 4: Simplify right side
    97,375.30x = 7,674,529,760.65
  5. Step 5: Solve for x
    x = 7,674,529,760.65/97,375.30
  6. Step 6: Final answer
    x = 78,813.93

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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.