Home / 87,373.50-131,026.95-31,203.12

Finding the Fourth Proportional to 87,373.50, 131,026.95 and 31,203.12

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Solution

The fourth proportional to 87,373.50, 131,026.95 and 31,203.12 is: 46,792.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,373.50 : 131,026.95 = 31,203.12 : x
  2. Step 2: Convert to fraction form
    87,373.50/131,026.95 = 31,203.12/x
  3. Step 3: Cross multiply
    87,373.50x = 131,026.95 × 31,203.12
  4. Step 4: Simplify right side
    87,373.50x = 4,088,449,644.08
  5. Step 5: Solve for x
    x = 4,088,449,644.08/87,373.50
  6. Step 6: Final answer
    x = 46,792.79

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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.