Home / 65,154.16-89,986.40-43,896.48

Finding the Fourth Proportional to 65,154.16, 89,986.40 and 43,896.48

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Solution

The fourth proportional to 65,154.16, 89,986.40 and 43,896.48 is: 60,626.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,154.16 : 89,986.40 = 43,896.48 : x
  2. Step 2: Convert to fraction form
    65,154.16/89,986.40 = 43,896.48/x
  3. Step 3: Cross multiply
    65,154.16x = 89,986.40 × 43,896.48
  4. Step 4: Simplify right side
    65,154.16x = 3,950,086,207.87
  5. Step 5: Solve for x
    x = 3,950,086,207.87/65,154.16
  6. Step 6: Final answer
    x = 60,626.77

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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.