Home / 77,800.40-116,406.04-46,227.36

Finding the Fourth Proportional to 77,800.40, 116,406.04 and 46,227.36

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Solution

The fourth proportional to 77,800.40, 116,406.04 and 46,227.36 is: 69,166.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,800.40 : 116,406.04 = 46,227.36 : x
  2. Step 2: Convert to fraction form
    77,800.40/116,406.04 = 46,227.36/x
  3. Step 3: Cross multiply
    77,800.40x = 116,406.04 × 46,227.36
  4. Step 4: Simplify right side
    77,800.40x = 5,381,143,917.25
  5. Step 5: Solve for x
    x = 5,381,143,917.25/77,800.40
  6. Step 6: Final answer
    x = 69,166.02

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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.