Home / 73,927.68-102,008.40-42,097.20

Finding the Fourth Proportional to 73,927.68, 102,008.40 and 42,097.20

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Solution

The fourth proportional to 73,927.68, 102,008.40 and 42,097.20 is: 58,087.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,927.68 : 102,008.40 = 42,097.20 : x
  2. Step 2: Convert to fraction form
    73,927.68/102,008.40 = 42,097.20/x
  3. Step 3: Cross multiply
    73,927.68x = 102,008.40 × 42,097.20
  4. Step 4: Simplify right side
    73,927.68x = 4,294,268,016.48
  5. Step 5: Solve for x
    x = 4,294,268,016.48/73,927.68
  6. Step 6: Final answer
    x = 58,087.42

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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.