Home / 86,451.63-119,401.66-58,108.11

Finding the Fourth Proportional to 86,451.63, 119,401.66 and 58,108.11

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Solution

The fourth proportional to 86,451.63, 119,401.66 and 58,108.11 is: 80,255.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,451.63 : 119,401.66 = 58,108.11 : x
  2. Step 2: Convert to fraction form
    86,451.63/119,401.66 = 58,108.11/x
  3. Step 3: Cross multiply
    86,451.63x = 119,401.66 × 58,108.11
  4. Step 4: Simplify right side
    86,451.63x = 6,938,204,793.46
  5. Step 5: Solve for x
    x = 6,938,204,793.46/86,451.63
  6. Step 6: Final answer
    x = 80,255.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.