Home / 112,829.44-155,706.33-61,841.77

Finding the Fourth Proportional to 112,829.44, 155,706.33 and 61,841.77

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Solution

The fourth proportional to 112,829.44, 155,706.33 and 61,841.77 is: 85,342.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,829.44 : 155,706.33 = 61,841.77 : x
  2. Step 2: Convert to fraction form
    112,829.44/155,706.33 = 61,841.77/x
  3. Step 3: Cross multiply
    112,829.44x = 155,706.33 × 61,841.77
  4. Step 4: Simplify right side
    112,829.44x = 9,629,155,047.40
  5. Step 5: Solve for x
    x = 9,629,155,047.40/112,829.44
  6. Step 6: Final answer
    x = 85,342.58

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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.