Home / 69,898.34-104,340.75-64,695.12

Finding the Fourth Proportional to 69,898.34, 104,340.75 and 64,695.12

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Solution

The fourth proportional to 69,898.34, 104,340.75 and 64,695.12 is: 96,573.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,898.34 : 104,340.75 = 64,695.12 : x
  2. Step 2: Convert to fraction form
    69,898.34/104,340.75 = 64,695.12/x
  3. Step 3: Cross multiply
    69,898.34x = 104,340.75 × 64,695.12
  4. Step 4: Simplify right side
    69,898.34x = 6,750,337,342.14
  5. Step 5: Solve for x
    x = 6,750,337,342.14/69,898.34
  6. Step 6: Final answer
    x = 96,573.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.