Home / 76,177.05-114,264.35-20,773.05

Finding the Fourth Proportional to 76,177.05, 114,264.35 and 20,773.05

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Solution

The fourth proportional to 76,177.05, 114,264.35 and 20,773.05 is: 31,159.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,177.05 : 114,264.35 = 20,773.05 : x
  2. Step 2: Convert to fraction form
    76,177.05/114,264.35 = 20,773.05/x
  3. Step 3: Cross multiply
    76,177.05x = 114,264.35 × 20,773.05
  4. Step 4: Simplify right side
    76,177.05x = 2,373,619,055.77
  5. Step 5: Solve for x
    x = 2,373,619,055.77/76,177.05
  6. Step 6: Final answer
    x = 31,159.24

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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.