Home / 72,888.15-109,364.12-25,537.33

Finding the Fourth Proportional to 72,888.15, 109,364.12 and 25,537.33

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Solution

The fourth proportional to 72,888.15, 109,364.12 and 25,537.33 is: 38,317.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,888.15 : 109,364.12 = 25,537.33 : x
  2. Step 2: Convert to fraction form
    72,888.15/109,364.12 = 25,537.33/x
  3. Step 3: Cross multiply
    72,888.15x = 109,364.12 × 25,537.33
  4. Step 4: Simplify right side
    72,888.15x = 2,792,867,255.86
  5. Step 5: Solve for x
    x = 2,792,867,255.86/72,888.15
  6. Step 6: Final answer
    x = 38,317.16

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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.