Home / 68,822.19-94,981.82-38,615.67

Finding the Fourth Proportional to 68,822.19, 94,981.82 and 38,615.67

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Solution

The fourth proportional to 68,822.19, 94,981.82 and 38,615.67 is: 53,293.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,822.19 : 94,981.82 = 38,615.67 : x
  2. Step 2: Convert to fraction form
    68,822.19/94,981.82 = 38,615.67/x
  3. Step 3: Cross multiply
    68,822.19x = 94,981.82 × 38,615.67
  4. Step 4: Simplify right side
    68,822.19x = 3,667,786,424.04
  5. Step 5: Solve for x
    x = 3,667,786,424.04/68,822.19
  6. Step 6: Final answer
    x = 53,293.66

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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.