Home / 48,307.75-72,464.07-17,145.43

Finding the Fourth Proportional to 48,307.75, 72,464.07 and 17,145.43

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Solution

The fourth proportional to 48,307.75, 72,464.07 and 17,145.43 is: 25,719.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,307.75 : 72,464.07 = 17,145.43 : x
  2. Step 2: Convert to fraction form
    48,307.75/72,464.07 = 17,145.43/x
  3. Step 3: Cross multiply
    48,307.75x = 72,464.07 × 17,145.43
  4. Step 4: Simplify right side
    48,307.75x = 1,242,427,639.70
  5. Step 5: Solve for x
    x = 1,242,427,639.70/48,307.75
  6. Step 6: Final answer
    x = 25,719.01

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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.