Home / 98,209.62-135,533.18-55,772.10

Finding the Fourth Proportional to 98,209.62, 135,533.18 and 55,772.10

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Solution

The fourth proportional to 98,209.62, 135,533.18 and 55,772.10 is: 76,967.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,209.62 : 135,533.18 = 55,772.10 : x
  2. Step 2: Convert to fraction form
    98,209.62/135,533.18 = 55,772.10/x
  3. Step 3: Cross multiply
    98,209.62x = 135,533.18 × 55,772.10
  4. Step 4: Simplify right side
    98,209.62x = 7,558,970,068.28
  5. Step 5: Solve for x
    x = 7,558,970,068.28/98,209.62
  6. Step 6: Final answer
    x = 76,967.72

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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.