Home / 105,460.45-158,120.30-58,098.26

Finding the Fourth Proportional to 105,460.45, 158,120.30 and 58,098.26

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Solution

The fourth proportional to 105,460.45, 158,120.30 and 58,098.26 is: 87,108.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,460.45 : 158,120.30 = 58,098.26 : x
  2. Step 2: Convert to fraction form
    105,460.45/158,120.30 = 58,098.26/x
  3. Step 3: Cross multiply
    105,460.45x = 158,120.30 × 58,098.26
  4. Step 4: Simplify right side
    105,460.45x = 9,186,514,841.22
  5. Step 5: Solve for x
    x = 9,186,514,841.22/105,460.45
  6. Step 6: Final answer
    x = 87,108.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.