Home / 115,721.19-173,601.23-36,859.59

Finding the Fourth Proportional to 115,721.19, 173,601.23 and 36,859.59

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Solution

The fourth proportional to 115,721.19, 173,601.23 and 36,859.59 is: 55,295.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,721.19 : 173,601.23 = 36,859.59 : x
  2. Step 2: Convert to fraction form
    115,721.19/173,601.23 = 36,859.59/x
  3. Step 3: Cross multiply
    115,721.19x = 173,601.23 × 36,859.59
  4. Step 4: Simplify right side
    115,721.19x = 6,398,869,977.00
  5. Step 5: Solve for x
    x = 6,398,869,977.00/115,721.19
  6. Step 6: Final answer
    x = 55,295.58

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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.