Home / 56,873.02-85,238.25-43,774.78

Finding the Fourth Proportional to 56,873.02, 85,238.25 and 43,774.78

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Solution

The fourth proportional to 56,873.02, 85,238.25 and 43,774.78 is: 65,607.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,873.02 : 85,238.25 = 43,774.78 : x
  2. Step 2: Convert to fraction form
    56,873.02/85,238.25 = 43,774.78/x
  3. Step 3: Cross multiply
    56,873.02x = 85,238.25 × 43,774.78
  4. Step 4: Simplify right side
    56,873.02x = 3,731,285,641.34
  5. Step 5: Solve for x
    x = 3,731,285,641.34/56,873.02
  6. Step 6: Final answer
    x = 65,607.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.