Home / 70,829.40-97,743.06-38,997.48

Finding the Fourth Proportional to 70,829.40, 97,743.06 and 38,997.48

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Solution

The fourth proportional to 70,829.40, 97,743.06 and 38,997.48 is: 53,815.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,829.40 : 97,743.06 = 38,997.48 : x
  2. Step 2: Convert to fraction form
    70,829.40/97,743.06 = 38,997.48/x
  3. Step 3: Cross multiply
    70,829.40x = 97,743.06 × 38,997.48
  4. Step 4: Simplify right side
    70,829.40x = 3,811,733,027.49
  5. Step 5: Solve for x
    x = 3,811,733,027.49/70,829.40
  6. Step 6: Final answer
    x = 53,815.69

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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.