Home / 68,623.29-94,688.84-43,111.60

Finding the Fourth Proportional to 68,623.29, 94,688.84 and 43,111.60

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Solution

The fourth proportional to 68,623.29, 94,688.84 and 43,111.60 is: 59,486.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,623.29 : 94,688.84 = 43,111.60 : x
  2. Step 2: Convert to fraction form
    68,623.29/94,688.84 = 43,111.60/x
  3. Step 3: Cross multiply
    68,623.29x = 94,688.84 × 43,111.60
  4. Step 4: Simplify right side
    68,623.29x = 4,082,186,926.39
  5. Step 5: Solve for x
    x = 4,082,186,926.39/68,623.29
  6. Step 6: Final answer
    x = 59,486.90

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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.