Home / 112,413.13-155,141.46-62,112.13

Finding the Fourth Proportional to 112,413.13, 155,141.46 and 62,112.13

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Solution

The fourth proportional to 112,413.13, 155,141.46 and 62,112.13 is: 85,721.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,413.13 : 155,141.46 = 62,112.13 : x
  2. Step 2: Convert to fraction form
    112,413.13/155,141.46 = 62,112.13/x
  3. Step 3: Cross multiply
    112,413.13x = 155,141.46 × 62,112.13
  4. Step 4: Simplify right side
    112,413.13x = 9,636,166,531.91
  5. Step 5: Solve for x
    x = 9,636,166,531.91/112,413.13
  6. Step 6: Final answer
    x = 85,721.01

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1.5x scale

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.