Home / 71,591.06-107,359.58-57,516.50

Finding the Fourth Proportional to 71,591.06, 107,359.58 and 57,516.50

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Solution

The fourth proportional to 71,591.06, 107,359.58 and 57,516.50 is: 86,253.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,591.06 : 107,359.58 = 57,516.50 : x
  2. Step 2: Convert to fraction form
    71,591.06/107,359.58 = 57,516.50/x
  3. Step 3: Cross multiply
    71,591.06x = 107,359.58 × 57,516.50
  4. Step 4: Simplify right side
    71,591.06x = 6,174,947,695.26
  5. Step 5: Solve for x
    x = 6,174,947,695.26/71,591.06
  6. Step 6: Final answer
    x = 86,253.05

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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.