Home / 77,442.82-106,867.29-43,902.34

Finding the Fourth Proportional to 77,442.82, 106,867.29 and 43,902.34

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Solution

The fourth proportional to 77,442.82, 106,867.29 and 43,902.34 is: 60,583.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,442.82 : 106,867.29 = 43,902.34 : x
  2. Step 2: Convert to fraction form
    77,442.82/106,867.29 = 43,902.34/x
  3. Step 3: Cross multiply
    77,442.82x = 106,867.29 × 43,902.34
  4. Step 4: Simplify right side
    77,442.82x = 4,691,724,100.46
  5. Step 5: Solve for x
    x = 4,691,724,100.46/77,442.82
  6. Step 6: Final answer
    x = 60,583.07

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1.5x scale

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.