Home / 88,299.72-121,880.30-60,021.81

Finding the Fourth Proportional to 88,299.72, 121,880.30 and 60,021.81

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Solution

The fourth proportional to 88,299.72, 121,880.30 and 60,021.81 is: 82,848.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,299.72 : 121,880.30 = 60,021.81 : x
  2. Step 2: Convert to fraction form
    88,299.72/121,880.30 = 60,021.81/x
  3. Step 3: Cross multiply
    88,299.72x = 121,880.30 × 60,021.81
  4. Step 4: Simplify right side
    88,299.72x = 7,315,475,909.23
  5. Step 5: Solve for x
    x = 7,315,475,909.23/88,299.72
  6. Step 6: Final answer
    x = 82,848.23

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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.