Home / 88,006.60-121,370.34-69,110.92

Finding the Fourth Proportional to 88,006.60, 121,370.34 and 69,110.92

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Solution

The fourth proportional to 88,006.60, 121,370.34 and 69,110.92 is: 95,311.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,006.60 : 121,370.34 = 69,110.92 : x
  2. Step 2: Convert to fraction form
    88,006.60/121,370.34 = 69,110.92/x
  3. Step 3: Cross multiply
    88,006.60x = 121,370.34 × 69,110.92
  4. Step 4: Simplify right side
    88,006.60x = 8,388,015,858.11
  5. Step 5: Solve for x
    x = 8,388,015,858.11/88,006.60
  6. Step 6: Final answer
    x = 95,311.21

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1.5x scale

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.