Home / 99,356.91-149,035.37-57,774.75

Finding the Fourth Proportional to 99,356.91, 149,035.37 and 57,774.75

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Solution

The fourth proportional to 99,356.91, 149,035.37 and 57,774.75 is: 86,662.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,356.91 : 149,035.37 = 57,774.75 : x
  2. Step 2: Convert to fraction form
    99,356.91/149,035.37 = 57,774.75/x
  3. Step 3: Cross multiply
    99,356.91x = 149,035.37 × 57,774.75
  4. Step 4: Simplify right side
    99,356.91x = 8,610,480,954.03
  5. Step 5: Solve for x
    x = 8,610,480,954.03/99,356.91
  6. Step 6: Final answer
    x = 86,662.13

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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.