Home / 70,815.61-97,723.32-38,984.44

Finding the Fourth Proportional to 70,815.61, 97,723.32 and 38,984.44

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Solution

The fourth proportional to 70,815.61, 97,723.32 and 38,984.44 is: 53,797.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,815.61 : 97,723.32 = 38,984.44 : x
  2. Step 2: Convert to fraction form
    70,815.61/97,723.32 = 38,984.44/x
  3. Step 3: Cross multiply
    70,815.61x = 97,723.32 × 38,984.44
  4. Step 4: Simplify right side
    70,815.61x = 3,809,688,905.14
  5. Step 5: Solve for x
    x = 3,809,688,905.14/70,815.61
  6. Step 6: Final answer
    x = 53,797.30

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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.