Home / 97,838.05-135,014.10-54,819.34

Finding the Fourth Proportional to 97,838.05, 135,014.10 and 54,819.34

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Solution

The fourth proportional to 97,838.05, 135,014.10 and 54,819.34 is: 75,649.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,838.05 : 135,014.10 = 54,819.34 : x
  2. Step 2: Convert to fraction form
    97,838.05/135,014.10 = 54,819.34/x
  3. Step 3: Cross multiply
    97,838.05x = 135,014.10 × 54,819.34
  4. Step 4: Simplify right side
    97,838.05x = 7,401,383,852.69
  5. Step 5: Solve for x
    x = 7,401,383,852.69/97,838.05
  6. Step 6: Final answer
    x = 75,649.34

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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.