Home / 78,847.56-108,809.19-43,037.46

Finding the Fourth Proportional to 78,847.56, 108,809.19 and 43,037.46

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Solution

The fourth proportional to 78,847.56, 108,809.19 and 43,037.46 is: 59,391.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,847.56 : 108,809.19 = 43,037.46 : x
  2. Step 2: Convert to fraction form
    78,847.56/108,809.19 = 43,037.46/x
  3. Step 3: Cross multiply
    78,847.56x = 108,809.19 × 43,037.46
  4. Step 4: Simplify right side
    78,847.56x = 4,682,871,162.26
  5. Step 5: Solve for x
    x = 4,682,871,162.26/78,847.56
  6. Step 6: Final answer
    x = 59,391.45

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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.