Home / 56,485.02-77,949.40-31,334.52

Finding the Fourth Proportional to 56,485.02, 77,949.40 and 31,334.52

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Solution

The fourth proportional to 56,485.02, 77,949.40 and 31,334.52 is: 43,241.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,485.02 : 77,949.40 = 31,334.52 : x
  2. Step 2: Convert to fraction form
    56,485.02/77,949.40 = 31,334.52/x
  3. Step 3: Cross multiply
    56,485.02x = 77,949.40 × 31,334.52
  4. Step 4: Simplify right side
    56,485.02x = 2,442,507,033.29
  5. Step 5: Solve for x
    x = 2,442,507,033.29/56,485.02
  6. Step 6: Final answer
    x = 43,241.68

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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.