Home / 97,128.28-145,702.52-37,156.62

Finding the Fourth Proportional to 97,128.28, 145,702.52 and 37,156.62

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Solution

The fourth proportional to 97,128.28, 145,702.52 and 37,156.62 is: 55,738.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,128.28 : 145,702.52 = 37,156.62 : x
  2. Step 2: Convert to fraction form
    97,128.28/145,702.52 = 37,156.62/x
  3. Step 3: Cross multiply
    97,128.28x = 145,702.52 × 37,156.62
  4. Step 4: Simplify right side
    97,128.28x = 5,413,813,168.68
  5. Step 5: Solve for x
    x = 5,413,813,168.68/97,128.28
  6. Step 6: Final answer
    x = 55,738.79

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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.