Home / 56,518.52-77,997.94-31,368.04

Finding the Fourth Proportional to 56,518.52, 77,997.94 and 31,368.04

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Solution

The fourth proportional to 56,518.52, 77,997.94 and 31,368.04 is: 43,289.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,518.52 : 77,997.94 = 31,368.04 : x
  2. Step 2: Convert to fraction form
    56,518.52/77,997.94 = 31,368.04/x
  3. Step 3: Cross multiply
    56,518.52x = 77,997.94 × 31,368.04
  4. Step 4: Simplify right side
    56,518.52x = 2,446,642,501.84
  5. Step 5: Solve for x
    x = 2,446,642,501.84/56,518.52
  6. Step 6: Final answer
    x = 43,289.22

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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.