Home / 82,221.84-113,389.12-54,577.60

Finding the Fourth Proportional to 82,221.84, 113,389.12 and 54,577.60

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Solution

The fourth proportional to 82,221.84, 113,389.12 and 54,577.60 is: 75,265.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,221.84 : 113,389.12 = 54,577.60 : x
  2. Step 2: Convert to fraction form
    82,221.84/113,389.12 = 54,577.60/x
  3. Step 3: Cross multiply
    82,221.84x = 113,389.12 × 54,577.60
  4. Step 4: Simplify right side
    82,221.84x = 6,188,506,035.71
  5. Step 5: Solve for x
    x = 6,188,506,035.71/82,221.84
  6. Step 6: Final answer
    x = 75,265.96

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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.