Home / 69,137.16-103,746.06-29,153.72

Finding the Fourth Proportional to 69,137.16, 103,746.06 and 29,153.72

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Solution

The fourth proportional to 69,137.16, 103,746.06 and 29,153.72 is: 43,747.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,137.16 : 103,746.06 = 29,153.72 : x
  2. Step 2: Convert to fraction form
    69,137.16/103,746.06 = 29,153.72/x
  3. Step 3: Cross multiply
    69,137.16x = 103,746.06 × 29,153.72
  4. Step 4: Simplify right side
    69,137.16x = 3,024,583,584.34
  5. Step 5: Solve for x
    x = 3,024,583,584.34/69,137.16
  6. Step 6: Final answer
    x = 43,747.58

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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.