Home / 89,413.74-134,042.67-45,003.06

Finding the Fourth Proportional to 89,413.74, 134,042.67 and 45,003.06

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Solution

The fourth proportional to 89,413.74, 134,042.67 and 45,003.06 is: 67,465.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,413.74 : 134,042.67 = 45,003.06 : x
  2. Step 2: Convert to fraction form
    89,413.74/134,042.67 = 45,003.06/x
  3. Step 3: Cross multiply
    89,413.74x = 134,042.67 × 45,003.06
  4. Step 4: Simplify right side
    89,413.74x = 6,032,330,320.57
  5. Step 5: Solve for x
    x = 6,032,330,320.57/89,413.74
  6. Step 6: Final answer
    x = 67,465.36

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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.