Home / 117,466.74-162,104.04-66,478.55

Finding the Fourth Proportional to 117,466.74, 162,104.04 and 66,478.55

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Solution

The fourth proportional to 117,466.74, 162,104.04 and 66,478.55 is: 91,740.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,466.74 : 162,104.04 = 66,478.55 : x
  2. Step 2: Convert to fraction form
    117,466.74/162,104.04 = 66,478.55/x
  3. Step 3: Cross multiply
    117,466.74x = 162,104.04 × 66,478.55
  4. Step 4: Simplify right side
    117,466.74x = 10,776,440,385.43
  5. Step 5: Solve for x
    x = 10,776,440,385.43/117,466.74
  6. Step 6: Final answer
    x = 91,740.35

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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.