Home / 75,731.72-113,511.48-46,084.28

Finding the Fourth Proportional to 75,731.72, 113,511.48 and 46,084.28

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Solution

The fourth proportional to 75,731.72, 113,511.48 and 46,084.28 is: 69,074.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,731.72 : 113,511.48 = 46,084.28 : x
  2. Step 2: Convert to fraction form
    75,731.72/113,511.48 = 46,084.28/x
  3. Step 3: Cross multiply
    75,731.72x = 113,511.48 × 46,084.28
  4. Step 4: Simplify right side
    75,731.72x = 5,231,094,827.53
  5. Step 5: Solve for x
    x = 5,231,094,827.53/75,731.72
  6. Step 6: Final answer
    x = 69,074.03

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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.