Home / 69,898.16-96,462.19-39,686.29

Finding the Fourth Proportional to 69,898.16, 96,462.19 and 39,686.29

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Solution

The fourth proportional to 69,898.16, 96,462.19 and 39,686.29 is: 54,768.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,898.16 : 96,462.19 = 39,686.29 : x
  2. Step 2: Convert to fraction form
    69,898.16/96,462.19 = 39,686.29/x
  3. Step 3: Cross multiply
    69,898.16x = 96,462.19 × 39,686.29
  4. Step 4: Simplify right side
    69,898.16x = 3,828,226,247.94
  5. Step 5: Solve for x
    x = 3,828,226,247.94/69,898.16
  6. Step 6: Final answer
    x = 54,768.63

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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.