Home / 70,257.72-96,950.36-38,425.56

Finding the Fourth Proportional to 70,257.72, 96,950.36 and 38,425.56

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Solution

The fourth proportional to 70,257.72, 96,950.36 and 38,425.56 is: 53,024.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,257.72 : 96,950.36 = 38,425.56 : x
  2. Step 2: Convert to fraction form
    70,257.72/96,950.36 = 38,425.56/x
  3. Step 3: Cross multiply
    70,257.72x = 96,950.36 × 38,425.56
  4. Step 4: Simplify right side
    70,257.72x = 3,725,371,875.20
  5. Step 5: Solve for x
    x = 3,725,371,875.20/70,257.72
  6. Step 6: Final answer
    x = 53,024.38

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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.