Home / 89,110.47-133,665.89-36,510.51

Finding the Fourth Proportional to 89,110.47, 133,665.89 and 36,510.51

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Solution

The fourth proportional to 89,110.47, 133,665.89 and 36,510.51 is: 54,765.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,110.47 : 133,665.89 = 36,510.51 : x
  2. Step 2: Convert to fraction form
    89,110.47/133,665.89 = 36,510.51/x
  3. Step 3: Cross multiply
    89,110.47x = 133,665.89 × 36,510.51
  4. Step 4: Simplify right side
    89,110.47x = 4,880,209,630.95
  5. Step 5: Solve for x
    x = 4,880,209,630.95/89,110.47
  6. Step 6: Final answer
    x = 54,765.84

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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.