Home / 88,110.30-121,529.34-62,227.20

Finding the Fourth Proportional to 88,110.30, 121,529.34 and 62,227.20

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Solution

The fourth proportional to 88,110.30, 121,529.34 and 62,227.20 is: 85,829.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,110.30 : 121,529.34 = 62,227.20 : x
  2. Step 2: Convert to fraction form
    88,110.30/121,529.34 = 62,227.20/x
  3. Step 3: Cross multiply
    88,110.30x = 121,529.34 × 62,227.20
  4. Step 4: Simplify right side
    88,110.30x = 7,562,430,546.05
  5. Step 5: Solve for x
    x = 7,562,430,546.05/88,110.30
  6. Step 6: Final answer
    x = 85,829.13

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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.