Home / 115,639.53-173,470.95-31,401.06

Finding the Fourth Proportional to 115,639.53, 173,470.95 and 31,401.06

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Solution

The fourth proportional to 115,639.53, 173,470.95 and 31,401.06 is: 47,104.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,639.53 : 173,470.95 = 31,401.06 : x
  2. Step 2: Convert to fraction form
    115,639.53/173,470.95 = 31,401.06/x
  3. Step 3: Cross multiply
    115,639.53x = 173,470.95 × 31,401.06
  4. Step 4: Simplify right side
    115,639.53x = 5,447,171,709.21
  5. Step 5: Solve for x
    x = 5,447,171,709.21/115,639.53
  6. Step 6: Final answer
    x = 47,104.75

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1.5x scale

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.