Home / 77,243.32-106,595.28-43,251.70

Finding the Fourth Proportional to 77,243.32, 106,595.28 and 43,251.70

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Solution

The fourth proportional to 77,243.32, 106,595.28 and 43,251.70 is: 59,687.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,243.32 : 106,595.28 = 43,251.70 : x
  2. Step 2: Convert to fraction form
    77,243.32/106,595.28 = 43,251.70/x
  3. Step 3: Cross multiply
    77,243.32x = 106,595.28 × 43,251.70
  4. Step 4: Simplify right side
    77,243.32x = 4,610,427,071.98
  5. Step 5: Solve for x
    x = 4,610,427,071.98/77,243.32
  6. Step 6: Final answer
    x = 59,687.07

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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.