Home / 56,795.02-78,381.64-31,305.92

Finding the Fourth Proportional to 56,795.02, 78,381.64 and 31,305.92

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Solution

The fourth proportional to 56,795.02, 78,381.64 and 31,305.92 is: 43,204.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,795.02 : 78,381.64 = 31,305.92 : x
  2. Step 2: Convert to fraction form
    56,795.02/78,381.64 = 31,305.92/x
  3. Step 3: Cross multiply
    56,795.02x = 78,381.64 × 31,305.92
  4. Step 4: Simplify right side
    56,795.02x = 2,453,809,034.22
  5. Step 5: Solve for x
    x = 2,453,809,034.22/56,795.02
  6. Step 6: Final answer
    x = 43,204.65

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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.