Home / 65,569.11-90,485.24-36,888.81

Finding the Fourth Proportional to 65,569.11, 90,485.24 and 36,888.81

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Solution

The fourth proportional to 65,569.11, 90,485.24 and 36,888.81 is: 50,906.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,569.11 : 90,485.24 = 36,888.81 : x
  2. Step 2: Convert to fraction form
    65,569.11/90,485.24 = 36,888.81/x
  3. Step 3: Cross multiply
    65,569.11x = 90,485.24 × 36,888.81
  4. Step 4: Simplify right side
    65,569.11x = 3,337,892,641.72
  5. Step 5: Solve for x
    x = 3,337,892,641.72/65,569.11
  6. Step 6: Final answer
    x = 50,906.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.