Home / 75,359.10-113,057.28-53,215.86

Finding the Fourth Proportional to 75,359.10, 113,057.28 and 53,215.86

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Solution

The fourth proportional to 75,359.10, 113,057.28 and 53,215.86 is: 79,836.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,359.10 : 113,057.28 = 53,215.86 : x
  2. Step 2: Convert to fraction form
    75,359.10/113,057.28 = 53,215.86/x
  3. Step 3: Cross multiply
    75,359.10x = 113,057.28 × 53,215.86
  4. Step 4: Simplify right side
    75,359.10x = 6,016,440,384.46
  5. Step 5: Solve for x
    x = 6,016,440,384.46/75,359.10
  6. Step 6: Final answer
    x = 79,836.95

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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.