Home / 75,948.08-114,039-67,705.52

Finding the Fourth Proportional to 75,948.08, 114,039 and 67,705.52

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Solution

The fourth proportional to 75,948.08, 114,039 and 67,705.52 is: 101,662.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,948.08 : 114,039 = 67,705.52 : x
  2. Step 2: Convert to fraction form
    75,948.08/114,039 = 67,705.52/x
  3. Step 3: Cross multiply
    75,948.08x = 114,039 × 67,705.52
  4. Step 4: Simplify right side
    75,948.08x = 7,721,069,795.28
  5. Step 5: Solve for x
    x = 7,721,069,795.28/75,948.08
  6. Step 6: Final answer
    x = 101,662.48

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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.