Home / 112,792.29-155,646.12-61,804.41

Finding the Fourth Proportional to 112,792.29, 155,646.12 and 61,804.41

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Solution

The fourth proportional to 112,792.29, 155,646.12 and 61,804.41 is: 85,286.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,792.29 : 155,646.12 = 61,804.41 : x
  2. Step 2: Convert to fraction form
    112,792.29/155,646.12 = 61,804.41/x
  3. Step 3: Cross multiply
    112,792.29x = 155,646.12 × 61,804.41
  4. Step 4: Simplify right side
    112,792.29x = 9,619,616,615.39
  5. Step 5: Solve for x
    x = 9,619,616,615.39/112,792.29
  6. Step 6: Final answer
    x = 85,286.12

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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.