Home / 52,583.79-78,749.94-30,329.70

Finding the Fourth Proportional to 52,583.79, 78,749.94 and 30,329.70

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Solution

The fourth proportional to 52,583.79, 78,749.94 and 30,329.70 is: 45,422.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,583.79 : 78,749.94 = 30,329.70 : x
  2. Step 2: Convert to fraction form
    52,583.79/78,749.94 = 30,329.70/x
  3. Step 3: Cross multiply
    52,583.79x = 78,749.94 × 30,329.70
  4. Step 4: Simplify right side
    52,583.79x = 2,388,461,661.47
  5. Step 5: Solve for x
    x = 2,388,461,661.47/52,583.79
  6. Step 6: Final answer
    x = 45,422.02

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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.