Home / 107,657.36-148,413.18-75,727.16

Finding the Fourth Proportional to 107,657.36, 148,413.18 and 75,727.16

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Solution

The fourth proportional to 107,657.36, 148,413.18 and 75,727.16 is: 104,395.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,657.36 : 148,413.18 = 75,727.16 : x
  2. Step 2: Convert to fraction form
    107,657.36/148,413.18 = 75,727.16/x
  3. Step 3: Cross multiply
    107,657.36x = 148,413.18 × 75,727.16
  4. Step 4: Simplify right side
    107,657.36x = 11,238,908,627.97
  5. Step 5: Solve for x
    x = 11,238,908,627.97/107,657.36
  6. Step 6: Final answer
    x = 104,395.17

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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.