Home / 70,926.82-97,878.99-38,661.48

Finding the Fourth Proportional to 70,926.82, 97,878.99 and 38,661.48

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Solution

The fourth proportional to 70,926.82, 97,878.99 and 38,661.48 is: 53,352.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,926.82 : 97,878.99 = 38,661.48 : x
  2. Step 2: Convert to fraction form
    70,926.82/97,878.99 = 38,661.48/x
  3. Step 3: Cross multiply
    70,926.82x = 97,878.99 × 38,661.48
  4. Step 4: Simplify right side
    70,926.82x = 3,784,146,759.29
  5. Step 5: Solve for x
    x = 3,784,146,759.29/70,926.82
  6. Step 6: Final answer
    x = 53,352.83

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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.