Home / 76,869.72-106,094.70-43,335.72

Finding the Fourth Proportional to 76,869.72, 106,094.70 and 43,335.72

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Solution

The fourth proportional to 76,869.72, 106,094.70 and 43,335.72 is: 59,811.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,869.72 : 106,094.70 = 43,335.72 : x
  2. Step 2: Convert to fraction form
    76,869.72/106,094.70 = 43,335.72/x
  3. Step 3: Cross multiply
    76,869.72x = 106,094.70 × 43,335.72
  4. Step 4: Simplify right side
    76,869.72x = 4,597,690,212.68
  5. Step 5: Solve for x
    x = 4,597,690,212.68/76,869.72
  6. Step 6: Final answer
    x = 59,811.46

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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.