Home / 98,962.50-136,576.89-54,259.14

Finding the Fourth Proportional to 98,962.50, 136,576.89 and 54,259.14

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Solution

The fourth proportional to 98,962.50, 136,576.89 and 54,259.14 is: 74,882.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,962.50 : 136,576.89 = 54,259.14 : x
  2. Step 2: Convert to fraction form
    98,962.50/136,576.89 = 54,259.14/x
  3. Step 3: Cross multiply
    98,962.50x = 136,576.89 × 54,259.14
  4. Step 4: Simplify right side
    98,962.50x = 7,410,544,595.27
  5. Step 5: Solve for x
    x = 7,410,544,595.27/98,962.50
  6. Step 6: Final answer
    x = 74,882.35

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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.