Home / 70,071.44-96,698.56-38,240.34

Finding the Fourth Proportional to 70,071.44, 96,698.56 and 38,240.34

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Solution

The fourth proportional to 70,071.44, 96,698.56 and 38,240.34 is: 52,771.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,071.44 : 96,698.56 = 38,240.34 : x
  2. Step 2: Convert to fraction form
    70,071.44/96,698.56 = 38,240.34/x
  3. Step 3: Cross multiply
    70,071.44x = 96,698.56 × 38,240.34
  4. Step 4: Simplify right side
    70,071.44x = 3,697,785,811.91
  5. Step 5: Solve for x
    x = 3,697,785,811.91/70,071.44
  6. Step 6: Final answer
    x = 52,771.65

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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.