Home / 82,933.20-124,428.60-36,219.60

Finding the Fourth Proportional to 82,933.20, 124,428.60 and 36,219.60

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Solution

The fourth proportional to 82,933.20, 124,428.60 and 36,219.60 is: 54,341.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,933.20 : 124,428.60 = 36,219.60 : x
  2. Step 2: Convert to fraction form
    82,933.20/124,428.60 = 36,219.60/x
  3. Step 3: Cross multiply
    82,933.20x = 124,428.60 × 36,219.60
  4. Step 4: Simplify right side
    82,933.20x = 4,506,754,120.56
  5. Step 5: Solve for x
    x = 4,506,754,120.56/82,933.20
  6. Step 6: Final answer
    x = 54,341.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.