Home / 76,901.12-106,123.56-43,367.12

Finding the Fourth Proportional to 76,901.12, 106,123.56 and 43,367.12

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Solution

The fourth proportional to 76,901.12, 106,123.56 and 43,367.12 is: 59,846.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,901.12 : 106,123.56 = 43,367.12 : x
  2. Step 2: Convert to fraction form
    76,901.12/106,123.56 = 43,367.12/x
  3. Step 3: Cross multiply
    76,901.12x = 106,123.56 × 43,367.12
  4. Step 4: Simplify right side
    76,901.12x = 4,602,273,161.35
  5. Step 5: Solve for x
    x = 4,602,273,161.35/76,901.12
  6. Step 6: Final answer
    x = 59,846.63

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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.