Home / 75,683.16-113,539.32-25,761.24

Finding the Fourth Proportional to 75,683.16, 113,539.32 and 25,761.24

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Solution

The fourth proportional to 75,683.16, 113,539.32 and 25,761.24 is: 38,646.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,683.16 : 113,539.32 = 25,761.24 : x
  2. Step 2: Convert to fraction form
    75,683.16/113,539.32 = 25,761.24/x
  3. Step 3: Cross multiply
    75,683.16x = 113,539.32 × 25,761.24
  4. Step 4: Simplify right side
    75,683.16x = 2,924,913,671.96
  5. Step 5: Solve for x
    x = 2,924,913,671.96/75,683.16
  6. Step 6: Final answer
    x = 38,646.82

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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.