Home / 124,460.78-171,771.30-76,052.75

Finding the Fourth Proportional to 124,460.78, 171,771.30 and 76,052.75

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Solution

The fourth proportional to 124,460.78, 171,771.30 and 76,052.75 is: 104,962.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,460.78 : 171,771.30 = 76,052.75 : x
  2. Step 2: Convert to fraction form
    124,460.78/171,771.30 = 76,052.75/x
  3. Step 3: Cross multiply
    124,460.78x = 171,771.30 × 76,052.75
  4. Step 4: Simplify right side
    124,460.78x = 13,063,678,877.22
  5. Step 5: Solve for x
    x = 13,063,678,877.22/124,460.78
  6. Step 6: Final answer
    x = 104,962.22

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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.