Home / 77,943.25-116,868.03-30,501.76

Finding the Fourth Proportional to 77,943.25, 116,868.03 and 30,501.76

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Solution

The fourth proportional to 77,943.25, 116,868.03 and 30,501.76 is: 45,734.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,943.25 : 116,868.03 = 30,501.76 : x
  2. Step 2: Convert to fraction form
    77,943.25/116,868.03 = 30,501.76/x
  3. Step 3: Cross multiply
    77,943.25x = 116,868.03 × 30,501.76
  4. Step 4: Simplify right side
    77,943.25x = 3,564,680,602.73
  5. Step 5: Solve for x
    x = 3,564,680,602.73/77,943.25
  6. Step 6: Final answer
    x = 45,734.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.