Home / 112,578.93-155,356.79-62,277.93

Finding the Fourth Proportional to 112,578.93, 155,356.79 and 62,277.93

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Solution

The fourth proportional to 112,578.93, 155,356.79 and 62,277.93 is: 85,942.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,578.93 : 155,356.79 = 62,277.93 : x
  2. Step 2: Convert to fraction form
    112,578.93/155,356.79 = 62,277.93/x
  3. Step 3: Cross multiply
    112,578.93x = 155,356.79 × 62,277.93
  4. Step 4: Simplify right side
    112,578.93x = 9,675,298,981.26
  5. Step 5: Solve for x
    x = 9,675,298,981.26/112,578.93
  6. Step 6: Final answer
    x = 85,942.36

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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.