Home / 76,948.56-106,188.84-43,414.32

Finding the Fourth Proportional to 76,948.56, 106,188.84 and 43,414.32

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Solution

The fourth proportional to 76,948.56, 106,188.84 and 43,414.32 is: 59,911.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,948.56 : 106,188.84 = 43,414.32 : x
  2. Step 2: Convert to fraction form
    76,948.56/106,188.84 = 43,414.32/x
  3. Step 3: Cross multiply
    76,948.56x = 106,188.84 × 43,414.32
  4. Step 4: Simplify right side
    76,948.56x = 4,610,116,280.19
  5. Step 5: Solve for x
    x = 4,610,116,280.19/76,948.56
  6. Step 6: Final answer
    x = 59,911.66

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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.