Home / 115,772.30-173,661.50-31,533.18

Finding the Fourth Proportional to 115,772.30, 173,661.50 and 31,533.18

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Solution

The fourth proportional to 115,772.30, 173,661.50 and 31,533.18 is: 47,300.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,772.30 : 173,661.50 = 31,533.18 : x
  2. Step 2: Convert to fraction form
    115,772.30/173,661.50 = 31,533.18/x
  3. Step 3: Cross multiply
    115,772.30x = 173,661.50 × 31,533.18
  4. Step 4: Simplify right side
    115,772.30x = 5,476,099,338.57
  5. Step 5: Solve for x
    x = 5,476,099,338.57/115,772.30
  6. Step 6: Final answer
    x = 47,300.60

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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.