Home / 76,153.92-114,228.04-19,993.51

Finding the Fourth Proportional to 76,153.92, 114,228.04 and 19,993.51

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Solution

The fourth proportional to 76,153.92, 114,228.04 and 19,993.51 is: 29,989.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,153.92 : 114,228.04 = 19,993.51 : x
  2. Step 2: Convert to fraction form
    76,153.92/114,228.04 = 19,993.51/x
  3. Step 3: Cross multiply
    76,153.92x = 114,228.04 × 19,993.51
  4. Step 4: Simplify right side
    76,153.92x = 2,283,819,460.02
  5. Step 5: Solve for x
    x = 2,283,819,460.02/76,153.92
  6. Step 6: Final answer
    x = 29,989.52

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1.5x scale

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.