Home / 55,960.04-83,931.78-20,413.03

Finding the Fourth Proportional to 55,960.04, 83,931.78 and 20,413.03

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Solution

The fourth proportional to 55,960.04, 83,931.78 and 20,413.03 is: 30,616.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,960.04 : 83,931.78 = 20,413.03 : x
  2. Step 2: Convert to fraction form
    55,960.04/83,931.78 = 20,413.03/x
  3. Step 3: Cross multiply
    55,960.04x = 83,931.78 × 20,413.03
  4. Step 4: Simplify right side
    55,960.04x = 1,713,301,943.09
  5. Step 5: Solve for x
    x = 1,713,301,943.09/55,960.04
  6. Step 6: Final answer
    x = 30,616.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.