Home / 68,418.77-94,417.00-38,204.60

Finding the Fourth Proportional to 68,418.77, 94,417.00 and 38,204.60

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Solution

The fourth proportional to 68,418.77, 94,417.00 and 38,204.60 is: 52,721.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,418.77 : 94,417.00 = 38,204.60 : x
  2. Step 2: Convert to fraction form
    68,418.77/94,417.00 = 38,204.60/x
  3. Step 3: Cross multiply
    68,418.77x = 94,417.00 × 38,204.60
  4. Step 4: Simplify right side
    68,418.77x = 3,607,163,527.18
  5. Step 5: Solve for x
    x = 3,607,163,527.18/68,418.77
  6. Step 6: Final answer
    x = 52,721.85

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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.