Home / 81,537.53-112,522.73-45,239.65

Finding the Fourth Proportional to 81,537.53, 112,522.73 and 45,239.65

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Solution

The fourth proportional to 81,537.53, 112,522.73 and 45,239.65 is: 62,431.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,537.53 : 112,522.73 = 45,239.65 : x
  2. Step 2: Convert to fraction form
    81,537.53/112,522.73 = 45,239.65/x
  3. Step 3: Cross multiply
    81,537.53x = 112,522.73 × 45,239.65
  4. Step 4: Simplify right side
    81,537.53x = 5,090,488,414.74
  5. Step 5: Solve for x
    x = 5,090,488,414.74/81,537.53
  6. Step 6: Final answer
    x = 62,431.24

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1.5x scale

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.