Home / 89,320.25-133,895.09-33,145.34

Finding the Fourth Proportional to 89,320.25, 133,895.09 and 33,145.34

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Solution

The fourth proportional to 89,320.25, 133,895.09 and 33,145.34 is: 49,686.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,320.25 : 133,895.09 = 33,145.34 : x
  2. Step 2: Convert to fraction form
    89,320.25/133,895.09 = 33,145.34/x
  3. Step 3: Cross multiply
    89,320.25x = 133,895.09 × 33,145.34
  4. Step 4: Simplify right side
    89,320.25x = 4,437,997,695.77
  5. Step 5: Solve for x
    x = 4,437,997,695.77/89,320.25
  6. Step 6: Final answer
    x = 49,686.35

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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.