Home / 68,581.51-94,604.38-39,897.95

Finding the Fourth Proportional to 68,581.51, 94,604.38 and 39,897.95

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Solution

The fourth proportional to 68,581.51, 94,604.38 and 39,897.95 is: 55,037.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,581.51 : 94,604.38 = 39,897.95 : x
  2. Step 2: Convert to fraction form
    68,581.51/94,604.38 = 39,897.95/x
  3. Step 3: Cross multiply
    68,581.51x = 94,604.38 × 39,897.95
  4. Step 4: Simplify right side
    68,581.51x = 3,774,520,823.02
  5. Step 5: Solve for x
    x = 3,774,520,823.02/68,581.51
  6. Step 6: Final answer
    x = 55,037.00

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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.