Home / 68,623.61-94,701.35-38,411.82

Finding the Fourth Proportional to 68,623.61, 94,701.35 and 38,411.82

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Solution

The fourth proportional to 68,623.61, 94,701.35 and 38,411.82 is: 53,008.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,623.61 : 94,701.35 = 38,411.82 : x
  2. Step 2: Convert to fraction form
    68,623.61/94,701.35 = 38,411.82/x
  3. Step 3: Cross multiply
    68,623.61x = 94,701.35 × 38,411.82
  4. Step 4: Simplify right side
    68,623.61x = 3,637,651,305.99
  5. Step 5: Solve for x
    x = 3,637,651,305.99/68,623.61
  6. Step 6: Final answer
    x = 53,008.75

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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.