Home / 75,741.08-113,621.40-25,807.82

Finding the Fourth Proportional to 75,741.08, 113,621.40 and 25,807.82

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Solution

The fourth proportional to 75,741.08, 113,621.40 and 25,807.82 is: 38,715.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,741.08 : 113,621.40 = 25,807.82 : x
  2. Step 2: Convert to fraction form
    75,741.08/113,621.40 = 25,807.82/x
  3. Step 3: Cross multiply
    75,741.08x = 113,621.40 × 25,807.82
  4. Step 4: Simplify right side
    75,741.08x = 2,932,320,071.24
  5. Step 5: Solve for x
    x = 2,932,320,071.24/75,741.08
  6. Step 6: Final answer
    x = 38,715.06

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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.