Home / 54,798.12-75,621.60-29,647.62

Finding the Fourth Proportional to 54,798.12, 75,621.60 and 29,647.62

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Solution

The fourth proportional to 54,798.12, 75,621.60 and 29,647.62 is: 40,913.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,798.12 : 75,621.60 = 29,647.62 : x
  2. Step 2: Convert to fraction form
    54,798.12/75,621.60 = 29,647.62/x
  3. Step 3: Cross multiply
    54,798.12x = 75,621.60 × 29,647.62
  4. Step 4: Simplify right side
    54,798.12x = 2,242,000,460.59
  5. Step 5: Solve for x
    x = 2,242,000,460.59/54,798.12
  6. Step 6: Final answer
    x = 40,913.82

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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.