Home / 112,413.36-155,130.12-62,112

Finding the Fourth Proportional to 112,413.36, 155,130.12 and 62,112

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Solution

The fourth proportional to 112,413.36, 155,130.12 and 62,112 is: 85,714.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,413.36 : 155,130.12 = 62,112 : x
  2. Step 2: Convert to fraction form
    112,413.36/155,130.12 = 62,112/x
  3. Step 3: Cross multiply
    112,413.36x = 155,130.12 × 62,112
  4. Step 4: Simplify right side
    112,413.36x = 9,635,442,013.44
  5. Step 5: Solve for x
    x = 9,635,442,013.44/112,413.36
  6. Step 6: Final answer
    x = 85,714.38

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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.