Home / 108,984.19-163,479.36-30,098.42

Finding the Fourth Proportional to 108,984.19, 163,479.36 and 30,098.42

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Solution

The fourth proportional to 108,984.19, 163,479.36 and 30,098.42 is: 45,148.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,984.19 : 163,479.36 = 30,098.42 : x
  2. Step 2: Convert to fraction form
    108,984.19/163,479.36 = 30,098.42/x
  3. Step 3: Cross multiply
    108,984.19x = 163,479.36 × 30,098.42
  4. Step 4: Simplify right side
    108,984.19x = 4,920,470,438.61
  5. Step 5: Solve for x
    x = 4,920,470,438.61/108,984.19
  6. Step 6: Final answer
    x = 45,148.48

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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.