Home / 92,788.92-127,969.74-64,562.04

Finding the Fourth Proportional to 92,788.92, 127,969.74 and 64,562.04

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Solution

The fourth proportional to 92,788.92, 127,969.74 and 64,562.04 is: 89,040.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,788.92 : 127,969.74 = 64,562.04 : x
  2. Step 2: Convert to fraction form
    92,788.92/127,969.74 = 64,562.04/x
  3. Step 3: Cross multiply
    92,788.92x = 127,969.74 × 64,562.04
  4. Step 4: Simplify right side
    92,788.92x = 8,261,987,472.67
  5. Step 5: Solve for x
    x = 8,261,987,472.67/92,788.92
  6. Step 6: Final answer
    x = 89,040.67

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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.