Home / 55,793.67-76,995.81-30,643.17

Finding the Fourth Proportional to 55,793.67, 76,995.81 and 30,643.17

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Solution

The fourth proportional to 55,793.67, 76,995.81 and 30,643.17 is: 42,287.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,793.67 : 76,995.81 = 30,643.17 : x
  2. Step 2: Convert to fraction form
    55,793.67/76,995.81 = 30,643.17/x
  3. Step 3: Cross multiply
    55,793.67x = 76,995.81 × 30,643.17
  4. Step 4: Simplify right side
    55,793.67x = 2,359,395,695.12
  5. Step 5: Solve for x
    x = 2,359,395,695.12/55,793.67
  6. Step 6: Final answer
    x = 42,287.87

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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.