Home / 84,962.76-117,219.41-52,685.75

Finding the Fourth Proportional to 84,962.76, 117,219.41 and 52,685.75

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Solution

The fourth proportional to 84,962.76, 117,219.41 and 52,685.75 is: 72,688.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,962.76 : 117,219.41 = 52,685.75 : x
  2. Step 2: Convert to fraction form
    84,962.76/117,219.41 = 52,685.75/x
  3. Step 3: Cross multiply
    84,962.76x = 117,219.41 × 52,685.75
  4. Step 4: Simplify right side
    84,962.76x = 6,175,791,680.88
  5. Step 5: Solve for x
    x = 6,175,791,680.88/84,962.76
  6. Step 6: Final answer
    x = 72,688.22

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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.