Home / 88,322.18-121,889.75-50,083.29

Finding the Fourth Proportional to 88,322.18, 121,889.75 and 50,083.29

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Solution

The fourth proportional to 88,322.18, 121,889.75 and 50,083.29 is: 69,117.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,322.18 : 121,889.75 = 50,083.29 : x
  2. Step 2: Convert to fraction form
    88,322.18/121,889.75 = 50,083.29/x
  3. Step 3: Cross multiply
    88,322.18x = 121,889.75 × 50,083.29
  4. Step 4: Simplify right side
    88,322.18x = 6,104,639,446.86
  5. Step 5: Solve for x
    x = 6,104,639,446.86/88,322.18
  6. Step 6: Final answer
    x = 69,117.86

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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.