Home / 56,976.44-78,623.43-31,482.53

Finding the Fourth Proportional to 56,976.44, 78,623.43 and 31,482.53

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Solution

The fourth proportional to 56,976.44, 78,623.43 and 31,482.53 is: 43,443.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,976.44 : 78,623.43 = 31,482.53 : x
  2. Step 2: Convert to fraction form
    56,976.44/78,623.43 = 31,482.53/x
  3. Step 3: Cross multiply
    56,976.44x = 78,623.43 × 31,482.53
  4. Step 4: Simplify right side
    56,976.44x = 2,475,264,100.56
  5. Step 5: Solve for x
    x = 2,475,264,100.56/56,976.44
  6. Step 6: Final answer
    x = 43,443.65

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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.