Home / 87,944.16-121,365.18-53,971.41

Finding the Fourth Proportional to 87,944.16, 121,365.18 and 53,971.41

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Solution

The fourth proportional to 87,944.16, 121,365.18 and 53,971.41 is: 74,481.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,944.16 : 121,365.18 = 53,971.41 : x
  2. Step 2: Convert to fraction form
    87,944.16/121,365.18 = 53,971.41/x
  3. Step 3: Cross multiply
    87,944.16x = 121,365.18 × 53,971.41
  4. Step 4: Simplify right side
    87,944.16x = 6,550,249,889.50
  5. Step 5: Solve for x
    x = 6,550,249,889.50/87,944.16
  6. Step 6: Final answer
    x = 74,481.92

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