Home / 67,319.91-92,867.31-51,376.68

Finding the Fourth Proportional to 67,319.91, 92,867.31 and 51,376.68

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Solution

The fourth proportional to 67,319.91, 92,867.31 and 51,376.68 is: 70,873.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,319.91 : 92,867.31 = 51,376.68 : x
  2. Step 2: Convert to fraction form
    67,319.91/92,867.31 = 51,376.68/x
  3. Step 3: Cross multiply
    67,319.91x = 92,867.31 × 51,376.68
  4. Step 4: Simplify right side
    67,319.91x = 4,771,214,068.33
  5. Step 5: Solve for x
    x = 4,771,214,068.33/67,319.91
  6. Step 6: Final answer
    x = 70,873.74

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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.