Home / 89,816.18-123,954.62-51,580.74

Finding the Fourth Proportional to 89,816.18, 123,954.62 and 51,580.74

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Solution

The fourth proportional to 89,816.18, 123,954.62 and 51,580.74 is: 71,186.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,816.18 : 123,954.62 = 51,580.74 : x
  2. Step 2: Convert to fraction form
    89,816.18/123,954.62 = 51,580.74/x
  3. Step 3: Cross multiply
    89,816.18x = 123,954.62 × 51,580.74
  4. Step 4: Simplify right side
    89,816.18x = 6,393,671,026.02
  5. Step 5: Solve for x
    x = 6,393,671,026.02/89,816.18
  6. Step 6: Final answer
    x = 71,186.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.