Home / 70,736.76-97,615.13-38,904.98

Finding the Fourth Proportional to 70,736.76, 97,615.13 and 38,904.98

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Solution

The fourth proportional to 70,736.76, 97,615.13 and 38,904.98 is: 53,687.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,736.76 : 97,615.13 = 38,904.98 : x
  2. Step 2: Convert to fraction form
    70,736.76/97,615.13 = 38,904.98/x
  3. Step 3: Cross multiply
    70,736.76x = 97,615.13 × 38,904.98
  4. Step 4: Simplify right side
    70,736.76x = 3,797,713,997.75
  5. Step 5: Solve for x
    x = 3,797,713,997.75/70,736.76
  6. Step 6: Final answer
    x = 53,687.98

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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.