Home / 77,255.48-106,623.36-55,814.61

Finding the Fourth Proportional to 77,255.48, 106,623.36 and 55,814.61

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Solution

The fourth proportional to 77,255.48, 106,623.36 and 55,814.61 is: 77,031.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,255.48 : 106,623.36 = 55,814.61 : x
  2. Step 2: Convert to fraction form
    77,255.48/106,623.36 = 55,814.61/x
  3. Step 3: Cross multiply
    77,255.48x = 106,623.36 × 55,814.61
  4. Step 4: Simplify right side
    77,255.48x = 5,951,141,255.29
  5. Step 5: Solve for x
    x = 5,951,141,255.29/77,255.48
  6. Step 6: Final answer
    x = 77,031.96

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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.