Home / 107,645.64-161,466.78-48,439.50

Finding the Fourth Proportional to 107,645.64, 161,466.78 and 48,439.50

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Solution

The fourth proportional to 107,645.64, 161,466.78 and 48,439.50 is: 72,658.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,645.64 : 161,466.78 = 48,439.50 : x
  2. Step 2: Convert to fraction form
    107,645.64/161,466.78 = 48,439.50/x
  3. Step 3: Cross multiply
    107,645.64x = 161,466.78 × 48,439.50
  4. Step 4: Simplify right side
    107,645.64x = 7,821,370,089.81
  5. Step 5: Solve for x
    x = 7,821,370,089.81/107,645.64
  6. Step 6: Final answer
    x = 72,658.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.