Home / 75,629.88-104,374.38-43,807.80

Finding the Fourth Proportional to 75,629.88, 104,374.38 and 43,807.80

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Solution

The fourth proportional to 75,629.88, 104,374.38 and 43,807.80 is: 60,457.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,629.88 : 104,374.38 = 43,807.80 : x
  2. Step 2: Convert to fraction form
    75,629.88/104,374.38 = 43,807.80/x
  3. Step 3: Cross multiply
    75,629.88x = 104,374.38 × 43,807.80
  4. Step 4: Simplify right side
    75,629.88x = 4,572,411,964.16
  5. Step 5: Solve for x
    x = 4,572,411,964.16/75,629.88
  6. Step 6: Final answer
    x = 60,457.74

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.