Home / 56,632.30-78,145.77-31,134.46

Finding the Fourth Proportional to 56,632.30, 78,145.77 and 31,134.46

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Solution

The fourth proportional to 56,632.30, 78,145.77 and 31,134.46 is: 42,961.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,632.30 : 78,145.77 = 31,134.46 : x
  2. Step 2: Convert to fraction form
    56,632.30/78,145.77 = 31,134.46/x
  3. Step 3: Cross multiply
    56,632.30x = 78,145.77 × 31,134.46
  4. Step 4: Simplify right side
    56,632.30x = 2,433,026,350.23
  5. Step 5: Solve for x
    x = 2,433,026,350.23/56,632.30
  6. Step 6: Final answer
    x = 42,961.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.