Home / 68,048.19-93,918.84-39,364.47

Finding the Fourth Proportional to 68,048.19, 93,918.84 and 39,364.47

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Solution

The fourth proportional to 68,048.19, 93,918.84 and 39,364.47 is: 54,330.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,048.19 : 93,918.84 = 39,364.47 : x
  2. Step 2: Convert to fraction form
    68,048.19/93,918.84 = 39,364.47/x
  3. Step 3: Cross multiply
    68,048.19x = 93,918.84 × 39,364.47
  4. Step 4: Simplify right side
    68,048.19x = 3,697,065,359.61
  5. Step 5: Solve for x
    x = 3,697,065,359.61/68,048.19
  6. Step 6: Final answer
    x = 54,330.11

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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.