Home / 115,246.70-173,015.85-61,981.10

Finding the Fourth Proportional to 115,246.70, 173,015.85 and 61,981.10

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Solution

The fourth proportional to 115,246.70, 173,015.85 and 61,981.10 is: 93,050.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,246.70 : 173,015.85 = 61,981.10 : x
  2. Step 2: Convert to fraction form
    115,246.70/173,015.85 = 61,981.10/x
  3. Step 3: Cross multiply
    115,246.70x = 173,015.85 × 61,981.10
  4. Step 4: Simplify right side
    115,246.70x = 10,723,712,700.44
  5. Step 5: Solve for x
    x = 10,723,712,700.44/115,246.70
  6. Step 6: Final answer
    x = 93,050.06

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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.