Home / 64,725.75-89,332.17-40,535.87

Finding the Fourth Proportional to 64,725.75, 89,332.17 and 40,535.87

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Solution

The fourth proportional to 64,725.75, 89,332.17 and 40,535.87 is: 55,946.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,725.75 : 89,332.17 = 40,535.87 : x
  2. Step 2: Convert to fraction form
    64,725.75/89,332.17 = 40,535.87/x
  3. Step 3: Cross multiply
    64,725.75x = 89,332.17 × 40,535.87
  4. Step 4: Simplify right side
    64,725.75x = 3,621,157,704.34
  5. Step 5: Solve for x
    x = 3,621,157,704.34/64,725.75
  6. Step 6: Final answer
    x = 55,946.17

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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.