Home / 70,821.59-97,730.08-38,984.27

Finding the Fourth Proportional to 70,821.59, 97,730.08 and 38,984.27

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Solution

The fourth proportional to 70,821.59, 97,730.08 and 38,984.27 is: 53,796.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,821.59 : 97,730.08 = 38,984.27 : x
  2. Step 2: Convert to fraction form
    70,821.59/97,730.08 = 38,984.27/x
  3. Step 3: Cross multiply
    70,821.59x = 97,730.08 × 38,984.27
  4. Step 4: Simplify right side
    70,821.59x = 3,809,935,239.73
  5. Step 5: Solve for x
    x = 3,809,935,239.73/70,821.59
  6. Step 6: Final answer
    x = 53,796.24

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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.