Home / 94,734.78-130,715.82-57,011.46

Finding the Fourth Proportional to 94,734.78, 130,715.82 and 57,011.46

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Solution

The fourth proportional to 94,734.78, 130,715.82 and 57,011.46 is: 78,664.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,734.78 : 130,715.82 = 57,011.46 : x
  2. Step 2: Convert to fraction form
    94,734.78/130,715.82 = 57,011.46/x
  3. Step 3: Cross multiply
    94,734.78x = 130,715.82 × 57,011.46
  4. Step 4: Simplify right side
    94,734.78x = 7,452,299,743.30
  5. Step 5: Solve for x
    x = 7,452,299,743.30/94,734.78
  6. Step 6: Final answer
    x = 78,664.88

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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.