Home / 115,688.04-173,413.80-65,662.62

Finding the Fourth Proportional to 115,688.04, 173,413.80 and 65,662.62

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Solution

The fourth proportional to 115,688.04, 173,413.80 and 65,662.62 is: 98,426.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,688.04 : 173,413.80 = 65,662.62 : x
  2. Step 2: Convert to fraction form
    115,688.04/173,413.80 = 65,662.62/x
  3. Step 3: Cross multiply
    115,688.04x = 173,413.80 × 65,662.62
  4. Step 4: Simplify right side
    115,688.04x = 11,386,804,452.16
  5. Step 5: Solve for x
    x = 11,386,804,452.16/115,688.04
  6. Step 6: Final answer
    x = 98,426.81

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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.