Home / 92,036.12-126,696.42-68,117.72

Finding the Fourth Proportional to 92,036.12, 126,696.42 and 68,117.72

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Solution

The fourth proportional to 92,036.12, 126,696.42 and 68,117.72 is: 93,770.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,036.12 : 126,696.42 = 68,117.72 : x
  2. Step 2: Convert to fraction form
    92,036.12/126,696.42 = 68,117.72/x
  3. Step 3: Cross multiply
    92,036.12x = 126,696.42 × 68,117.72
  4. Step 4: Simplify right side
    92,036.12x = 8,630,271,262.56
  5. Step 5: Solve for x
    x = 8,630,271,262.56/92,036.12
  6. Step 6: Final answer
    x = 93,770.48

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1.5x scale

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.