Home / 68,218.68-94,140.36-38,003.96

Finding the Fourth Proportional to 68,218.68, 94,140.36 and 38,003.96

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Solution

The fourth proportional to 68,218.68, 94,140.36 and 38,003.96 is: 52,444.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,218.68 : 94,140.36 = 38,003.96 : x
  2. Step 2: Convert to fraction form
    68,218.68/94,140.36 = 38,003.96/x
  3. Step 3: Cross multiply
    68,218.68x = 94,140.36 × 38,003.96
  4. Step 4: Simplify right side
    68,218.68x = 3,577,706,475.83
  5. Step 5: Solve for x
    x = 3,577,706,475.83/68,218.68
  6. Step 6: Final answer
    x = 52,444.67

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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.