Home / 76,079.15-114,090.78-26,145.08

Finding the Fourth Proportional to 76,079.15, 114,090.78 and 26,145.08

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Solution

The fourth proportional to 76,079.15, 114,090.78 and 26,145.08 is: 39,208.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,079.15 : 114,090.78 = 26,145.08 : x
  2. Step 2: Convert to fraction form
    76,079.15/114,090.78 = 26,145.08/x
  3. Step 3: Cross multiply
    76,079.15x = 114,090.78 × 26,145.08
  4. Step 4: Simplify right side
    76,079.15x = 2,982,912,570.36
  5. Step 5: Solve for x
    x = 2,982,912,570.36/76,079.15
  6. Step 6: Final answer
    x = 39,208.02

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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.