Home / 64,535.22-89,082.38-55,423.94

Finding the Fourth Proportional to 64,535.22, 89,082.38 and 55,423.94

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Solution

The fourth proportional to 64,535.22, 89,082.38 and 55,423.94 is: 76,505.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,535.22 : 89,082.38 = 55,423.94 : x
  2. Step 2: Convert to fraction form
    64,535.22/89,082.38 = 55,423.94/x
  3. Step 3: Cross multiply
    64,535.22x = 89,082.38 × 55,423.94
  4. Step 4: Simplify right side
    64,535.22x = 4,937,296,177.33
  5. Step 5: Solve for x
    x = 4,937,296,177.33/64,535.22
  6. Step 6: Final answer
    x = 76,505.45

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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.