Home / 70,212.72-96,900.24-38,386.44

Finding the Fourth Proportional to 70,212.72, 96,900.24 and 38,386.44

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Solution

The fourth proportional to 70,212.72, 96,900.24 and 38,386.44 is: 52,976.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,212.72 : 96,900.24 = 38,386.44 : x
  2. Step 2: Convert to fraction form
    70,212.72/96,900.24 = 38,386.44/x
  3. Step 3: Cross multiply
    70,212.72x = 96,900.24 × 38,386.44
  4. Step 4: Simplify right side
    70,212.72x = 3,719,655,248.75
  5. Step 5: Solve for x
    x = 3,719,655,248.75/70,212.72
  6. Step 6: Final answer
    x = 52,976.94

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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.