Home / 56,756.44-78,323.14-31,262.32

Finding the Fourth Proportional to 56,756.44, 78,323.14 and 31,262.32

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Solution

The fourth proportional to 56,756.44, 78,323.14 and 31,262.32 is: 43,141.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,756.44 : 78,323.14 = 31,262.32 : x
  2. Step 2: Convert to fraction form
    56,756.44/78,323.14 = 31,262.32/x
  3. Step 3: Cross multiply
    56,756.44x = 78,323.14 × 31,262.32
  4. Step 4: Simplify right side
    56,756.44x = 2,448,563,066.08
  5. Step 5: Solve for x
    x = 2,448,563,066.08/56,756.44
  6. Step 6: Final answer
    x = 43,141.59

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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.