Home / 77,242.22-106,569.48-43,245.70

Finding the Fourth Proportional to 77,242.22, 106,569.48 and 43,245.70

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Solution

The fourth proportional to 77,242.22, 106,569.48 and 43,245.70 is: 59,665.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,242.22 : 106,569.48 = 43,245.70 : x
  2. Step 2: Convert to fraction form
    77,242.22/106,569.48 = 43,245.70/x
  3. Step 3: Cross multiply
    77,242.22x = 106,569.48 × 43,245.70
  4. Step 4: Simplify right side
    77,242.22x = 4,608,671,761.24
  5. Step 5: Solve for x
    x = 4,608,671,761.24/77,242.22
  6. Step 6: Final answer
    x = 59,665.19

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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.