Home / 83,656.84-115,439.28-47,841.10

Finding the Fourth Proportional to 83,656.84, 115,439.28 and 47,841.10

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Solution

The fourth proportional to 83,656.84, 115,439.28 and 47,841.10 is: 66,016.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,656.84 : 115,439.28 = 47,841.10 : x
  2. Step 2: Convert to fraction form
    83,656.84/115,439.28 = 47,841.10/x
  3. Step 3: Cross multiply
    83,656.84x = 115,439.28 × 47,841.10
  4. Step 4: Simplify right side
    83,656.84x = 5,522,742,138.41
  5. Step 5: Solve for x
    x = 5,522,742,138.41/83,656.84
  6. Step 6: Final answer
    x = 66,016.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.