Home / 68,678.25-102,851.28-59,378.03

Finding the Fourth Proportional to 68,678.25, 102,851.28 and 59,378.03

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Solution

The fourth proportional to 68,678.25, 102,851.28 and 59,378.03 is: 88,923.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,678.25 : 102,851.28 = 59,378.03 : x
  2. Step 2: Convert to fraction form
    68,678.25/102,851.28 = 59,378.03/x
  3. Step 3: Cross multiply
    68,678.25x = 102,851.28 × 59,378.03
  4. Step 4: Simplify right side
    68,678.25x = 6,107,106,260.81
  5. Step 5: Solve for x
    x = 6,107,106,260.81/68,678.25
  6. Step 6: Final answer
    x = 88,923.45

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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.