Home / 68,615.17-94,690.22-38,403.82

Finding the Fourth Proportional to 68,615.17, 94,690.22 and 38,403.82

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Solution

The fourth proportional to 68,615.17, 94,690.22 and 38,403.82 is: 52,997.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,615.17 : 94,690.22 = 38,403.82 : x
  2. Step 2: Convert to fraction form
    68,615.17/94,690.22 = 38,403.82/x
  3. Step 3: Cross multiply
    68,615.17x = 94,690.22 × 38,403.82
  4. Step 4: Simplify right side
    68,615.17x = 3,636,466,164.64
  5. Step 5: Solve for x
    x = 3,636,466,164.64/68,615.17
  6. Step 6: Final answer
    x = 52,997.99

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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.