Home / 112,709.66-155,537.43-62,407.58

Finding the Fourth Proportional to 112,709.66, 155,537.43 and 62,407.58

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Solution

The fourth proportional to 112,709.66, 155,537.43 and 62,407.58 is: 86,121.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,709.66 : 155,537.43 = 62,407.58 : x
  2. Step 2: Convert to fraction form
    112,709.66/155,537.43 = 62,407.58/x
  3. Step 3: Cross multiply
    112,709.66x = 155,537.43 × 62,407.58
  4. Step 4: Simplify right side
    112,709.66x = 9,706,714,605.72
  5. Step 5: Solve for x
    x = 9,706,714,605.72/112,709.66
  6. Step 6: Final answer
    x = 86,121.41

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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.