Home / 77,572.36-116,352.04-30,812.68

Finding the Fourth Proportional to 77,572.36, 116,352.04 and 30,812.68

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Solution

The fourth proportional to 77,572.36, 116,352.04 and 30,812.68 is: 46,216.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,572.36 : 116,352.04 = 30,812.68 : x
  2. Step 2: Convert to fraction form
    77,572.36/116,352.04 = 30,812.68/x
  3. Step 3: Cross multiply
    77,572.36x = 116,352.04 × 30,812.68
  4. Step 4: Simplify right side
    77,572.36x = 3,585,118,175.87
  5. Step 5: Solve for x
    x = 3,585,118,175.87/77,572.36
  6. Step 6: Final answer
    x = 46,216.44

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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.