Home / 89,659.85-134,639.73-56,004.20

Finding the Fourth Proportional to 89,659.85, 134,639.73 and 56,004.20

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Solution

The fourth proportional to 89,659.85, 134,639.73 and 56,004.20 is: 84,099.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,659.85 : 134,639.73 = 56,004.20 : x
  2. Step 2: Convert to fraction form
    89,659.85/134,639.73 = 56,004.20/x
  3. Step 3: Cross multiply
    89,659.85x = 134,639.73 × 56,004.20
  4. Step 4: Simplify right side
    89,659.85x = 7,540,390,366.87
  5. Step 5: Solve for x
    x = 7,540,390,366.87/89,659.85
  6. Step 6: Final answer
    x = 84,099.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.