Home / 113,962.86-157,267.89-62,979.03

Finding the Fourth Proportional to 113,962.86, 157,267.89 and 62,979.03

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Solution

The fourth proportional to 113,962.86, 157,267.89 and 62,979.03 is: 86,910.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,962.86 : 157,267.89 = 62,979.03 : x
  2. Step 2: Convert to fraction form
    113,962.86/157,267.89 = 62,979.03/x
  3. Step 3: Cross multiply
    113,962.86x = 157,267.89 × 62,979.03
  4. Step 4: Simplify right side
    113,962.86x = 9,904,579,162.35
  5. Step 5: Solve for x
    x = 9,904,579,162.35/113,962.86
  6. Step 6: Final answer
    x = 86,910.59

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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.