Home / 68,761.83-94,899.20-38,555.31

Finding the Fourth Proportional to 68,761.83, 94,899.20 and 38,555.31

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Solution

The fourth proportional to 68,761.83, 94,899.20 and 38,555.31 is: 53,210.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,761.83 : 94,899.20 = 38,555.31 : x
  2. Step 2: Convert to fraction form
    68,761.83/94,899.20 = 38,555.31/x
  3. Step 3: Cross multiply
    68,761.83x = 94,899.20 × 38,555.31
  4. Step 4: Simplify right side
    68,761.83x = 3,658,867,881.98
  5. Step 5: Solve for x
    x = 3,658,867,881.98/68,761.83
  6. Step 6: Final answer
    x = 53,210.74

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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.