Home / 48,140.92-71,891.51-47,619.64

Finding the Fourth Proportional to 48,140.92, 71,891.51 and 47,619.64

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Solution

The fourth proportional to 48,140.92, 71,891.51 and 47,619.64 is: 71,113.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,140.92 : 71,891.51 = 47,619.64 : x
  2. Step 2: Convert to fraction form
    48,140.92/71,891.51 = 47,619.64/x
  3. Step 3: Cross multiply
    48,140.92x = 71,891.51 × 47,619.64
  4. Step 4: Simplify right side
    48,140.92x = 3,423,447,825.26
  5. Step 5: Solve for x
    x = 3,423,447,825.26/48,140.92
  6. Step 6: Final answer
    x = 71,113.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.