Home / 88,411.23-121,977.36-50,166.54

Finding the Fourth Proportional to 88,411.23, 121,977.36 and 50,166.54

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Solution

The fourth proportional to 88,411.23, 121,977.36 and 50,166.54 is: 69,212.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,411.23 : 121,977.36 = 50,166.54 : x
  2. Step 2: Convert to fraction form
    88,411.23/121,977.36 = 50,166.54/x
  3. Step 3: Cross multiply
    88,411.23x = 121,977.36 × 50,166.54
  4. Step 4: Simplify right side
    88,411.23x = 6,119,182,109.53
  5. Step 5: Solve for x
    x = 6,119,182,109.53/88,411.23
  6. Step 6: Final answer
    x = 69,212.72

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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.