Home / 68,533.07-102,798.59-18,614.25

Finding the Fourth Proportional to 68,533.07, 102,798.59 and 18,614.25

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Solution

The fourth proportional to 68,533.07, 102,798.59 and 18,614.25 is: 27,921.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,533.07 : 102,798.59 = 18,614.25 : x
  2. Step 2: Convert to fraction form
    68,533.07/102,798.59 = 18,614.25/x
  3. Step 3: Cross multiply
    68,533.07x = 102,798.59 × 18,614.25
  4. Step 4: Simplify right side
    68,533.07x = 1,913,518,560.84
  5. Step 5: Solve for x
    x = 1,913,518,560.84/68,533.07
  6. Step 6: Final answer
    x = 27,921.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.