Home / 84,345.32-126,537.18-28,937.96

Finding the Fourth Proportional to 84,345.32, 126,537.18 and 28,937.96

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Solution

The fourth proportional to 84,345.32, 126,537.18 and 28,937.96 is: 43,413.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,345.32 : 126,537.18 = 28,937.96 : x
  2. Step 2: Convert to fraction form
    84,345.32/126,537.18 = 28,937.96/x
  3. Step 3: Cross multiply
    84,345.32x = 126,537.18 × 28,937.96
  4. Step 4: Simplify right side
    84,345.32x = 3,661,727,853.35
  5. Step 5: Solve for x
    x = 3,661,727,853.35/84,345.32
  6. Step 6: Final answer
    x = 43,413.53

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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.