Home / 56,475.12-77,932.64-31,323.04

Finding the Fourth Proportional to 56,475.12, 77,932.64 and 31,323.04

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Solution

The fourth proportional to 56,475.12, 77,932.64 and 31,323.04 is: 43,224.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,475.12 : 77,932.64 = 31,323.04 : x
  2. Step 2: Convert to fraction form
    56,475.12/77,932.64 = 31,323.04/x
  3. Step 3: Cross multiply
    56,475.12x = 77,932.64 × 31,323.04
  4. Step 4: Simplify right side
    56,475.12x = 2,441,087,200.03
  5. Step 5: Solve for x
    x = 2,441,087,200.03/56,475.12
  6. Step 6: Final answer
    x = 43,224.12

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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.