Home / 70,926.83-97,877.83-38,661.79

Finding the Fourth Proportional to 70,926.83, 97,877.83 and 38,661.79

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Solution

The fourth proportional to 70,926.83, 97,877.83 and 38,661.79 is: 53,352.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,926.83 : 97,877.83 = 38,661.79 : x
  2. Step 2: Convert to fraction form
    70,926.83/97,877.83 = 38,661.79/x
  3. Step 3: Cross multiply
    70,926.83x = 97,877.83 × 38,661.79
  4. Step 4: Simplify right side
    70,926.83x = 3,784,132,109.12
  5. Step 5: Solve for x
    x = 3,784,132,109.12/70,926.83
  6. Step 6: Final answer
    x = 53,352.62

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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.