Home / 68,126.18-94,014.76-37,912.78

Finding the Fourth Proportional to 68,126.18, 94,014.76 and 37,912.78

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Solution

The fourth proportional to 68,126.18, 94,014.76 and 37,912.78 is: 52,319.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,126.18 : 94,014.76 = 37,912.78 : x
  2. Step 2: Convert to fraction form
    68,126.18/94,014.76 = 37,912.78/x
  3. Step 3: Cross multiply
    68,126.18x = 94,014.76 × 37,912.78
  4. Step 4: Simplify right side
    68,126.18x = 3,564,360,582.81
  5. Step 5: Solve for x
    x = 3,564,360,582.81/68,126.18
  6. Step 6: Final answer
    x = 52,319.98

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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.