Home / 76,055.10-114,073.92-19,900.64

Finding the Fourth Proportional to 76,055.10, 114,073.92 and 19,900.64

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Solution

The fourth proportional to 76,055.10, 114,073.92 and 19,900.64 is: 29,848.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,055.10 : 114,073.92 = 19,900.64 : x
  2. Step 2: Convert to fraction form
    76,055.10/114,073.92 = 19,900.64/x
  3. Step 3: Cross multiply
    76,055.10x = 114,073.92 × 19,900.64
  4. Step 4: Simplify right side
    76,055.10x = 2,270,144,015.31
  5. Step 5: Solve for x
    x = 2,270,144,015.31/76,055.10
  6. Step 6: Final answer
    x = 29,848.68

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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.