Home / 76,555.38-114,695.34-72,052.47

Finding the Fourth Proportional to 76,555.38, 114,695.34 and 72,052.47

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Solution

The fourth proportional to 76,555.38, 114,695.34 and 72,052.47 is: 107,949.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,555.38 : 114,695.34 = 72,052.47 : x
  2. Step 2: Convert to fraction form
    76,555.38/114,695.34 = 72,052.47/x
  3. Step 3: Cross multiply
    76,555.38x = 114,695.34 × 72,052.47
  4. Step 4: Simplify right side
    76,555.38x = 8,264,082,544.49
  5. Step 5: Solve for x
    x = 8,264,082,544.49/76,555.38
  6. Step 6: Final answer
    x = 107,949.08

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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.