Home / 98,964.50-136,579.65-54,261.14

Finding the Fourth Proportional to 98,964.50, 136,579.65 and 54,261.14

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Solution

The fourth proportional to 98,964.50, 136,579.65 and 54,261.14 is: 74,885.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,964.50 : 136,579.65 = 54,261.14 : x
  2. Step 2: Convert to fraction form
    98,964.50/136,579.65 = 54,261.14/x
  3. Step 3: Cross multiply
    98,964.50x = 136,579.65 × 54,261.14
  4. Step 4: Simplify right side
    98,964.50x = 7,410,967,509.80
  5. Step 5: Solve for x
    x = 7,410,967,509.80/98,964.50
  6. Step 6: Final answer
    x = 74,885.11

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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.