Home / 67,188.19-92,723.53-38,512.62

Finding the Fourth Proportional to 67,188.19, 92,723.53 and 38,512.62

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Solution

The fourth proportional to 67,188.19, 92,723.53 and 38,512.62 is: 53,149.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,188.19 : 92,723.53 = 38,512.62 : x
  2. Step 2: Convert to fraction form
    67,188.19/92,723.53 = 38,512.62/x
  3. Step 3: Cross multiply
    67,188.19x = 92,723.53 × 38,512.62
  4. Step 4: Simplify right side
    67,188.19x = 3,571,026,075.95
  5. Step 5: Solve for x
    x = 3,571,026,075.95/67,188.19
  6. Step 6: Final answer
    x = 53,149.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.