Home / 97,756.92-146,686.32-53,375.40

Finding the Fourth Proportional to 97,756.92, 146,686.32 and 53,375.40

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Solution

The fourth proportional to 97,756.92, 146,686.32 and 53,375.40 is: 80,090.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,756.92 : 146,686.32 = 53,375.40 : x
  2. Step 2: Convert to fraction form
    97,756.92/146,686.32 = 53,375.40/x
  3. Step 3: Cross multiply
    97,756.92x = 146,686.32 × 53,375.40
  4. Step 4: Simplify right side
    97,756.92x = 7,829,441,004.53
  5. Step 5: Solve for x
    x = 7,829,441,004.53/97,756.92
  6. Step 6: Final answer
    x = 80,090.91

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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.