Home / 92,035.12-126,695.04-68,116.72

Finding the Fourth Proportional to 92,035.12, 126,695.04 and 68,116.72

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Solution

The fourth proportional to 92,035.12, 126,695.04 and 68,116.72 is: 93,769.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,035.12 : 126,695.04 = 68,116.72 : x
  2. Step 2: Convert to fraction form
    92,035.12/126,695.04 = 68,116.72/x
  3. Step 3: Cross multiply
    92,035.12x = 126,695.04 × 68,116.72
  4. Step 4: Simplify right side
    92,035.12x = 8,630,050,565.07
  5. Step 5: Solve for x
    x = 8,630,050,565.07/92,035.12
  6. Step 6: Final answer
    x = 93,769.10

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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.