Home / 89,090.18-133,639.77-22,530.86

Finding the Fourth Proportional to 89,090.18, 133,639.77 and 22,530.86

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Solution

The fourth proportional to 89,090.18, 133,639.77 and 22,530.86 is: 33,797.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,090.18 : 133,639.77 = 22,530.86 : x
  2. Step 2: Convert to fraction form
    89,090.18/133,639.77 = 22,530.86/x
  3. Step 3: Cross multiply
    89,090.18x = 133,639.77 × 22,530.86
  4. Step 4: Simplify right side
    89,090.18x = 3,011,018,865.74
  5. Step 5: Solve for x
    x = 3,011,018,865.74/89,090.18
  6. Step 6: Final answer
    x = 33,797.43

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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.