Home / 108,690.42-149,990.46-60,284.52

Finding the Fourth Proportional to 108,690.42, 149,990.46 and 60,284.52

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Solution

The fourth proportional to 108,690.42, 149,990.46 and 60,284.52 is: 83,191.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,690.42 : 149,990.46 = 60,284.52 : x
  2. Step 2: Convert to fraction form
    108,690.42/149,990.46 = 60,284.52/x
  3. Step 3: Cross multiply
    108,690.42x = 149,990.46 × 60,284.52
  4. Step 4: Simplify right side
    108,690.42x = 9,042,102,885.68
  5. Step 5: Solve for x
    x = 9,042,102,885.68/108,690.42
  6. Step 6: Final answer
    x = 83,191.35

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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.