Home / 68,564.49-94,614.10-39,888.66

Finding the Fourth Proportional to 68,564.49, 94,614.10 and 39,888.66

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Solution

The fourth proportional to 68,564.49, 94,614.10 and 39,888.66 is: 55,043.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,564.49 : 94,614.10 = 39,888.66 : x
  2. Step 2: Convert to fraction form
    68,564.49/94,614.10 = 39,888.66/x
  3. Step 3: Cross multiply
    68,564.49x = 94,614.10 × 39,888.66
  4. Step 4: Simplify right side
    68,564.49x = 3,774,029,666.11
  5. Step 5: Solve for x
    x = 3,774,029,666.11/68,564.49
  6. Step 6: Final answer
    x = 55,043.50

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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.