Home / 115,916.70-173,875.05-87,923.10

Finding the Fourth Proportional to 115,916.70, 173,875.05 and 87,923.10

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Solution

The fourth proportional to 115,916.70, 173,875.05 and 87,923.10 is: 131,884.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,916.70 : 173,875.05 = 87,923.10 : x
  2. Step 2: Convert to fraction form
    115,916.70/173,875.05 = 87,923.10/x
  3. Step 3: Cross multiply
    115,916.70x = 173,875.05 × 87,923.10
  4. Step 4: Simplify right side
    115,916.70x = 15,287,633,408.66
  5. Step 5: Solve for x
    x = 15,287,633,408.66/115,916.70
  6. Step 6: Final answer
    x = 131,884.65

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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.