Home / 90,577.92-135,823.20-37,973.28

Finding the Fourth Proportional to 90,577.92, 135,823.20 and 37,973.28

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Solution

The fourth proportional to 90,577.92, 135,823.20 and 37,973.28 is: 56,941.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,577.92 : 135,823.20 = 37,973.28 : x
  2. Step 2: Convert to fraction form
    90,577.92/135,823.20 = 37,973.28/x
  3. Step 3: Cross multiply
    90,577.92x = 135,823.20 × 37,973.28
  4. Step 4: Simplify right side
    90,577.92x = 5,157,652,404.10
  5. Step 5: Solve for x
    x = 5,157,652,404.10/90,577.92
  6. Step 6: Final answer
    x = 56,941.61

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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.