Home / 52,584.29-78,750.69-30,330.20

Finding the Fourth Proportional to 52,584.29, 78,750.69 and 30,330.20

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Solution

The fourth proportional to 52,584.29, 78,750.69 and 30,330.20 is: 45,422.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,584.29 : 78,750.69 = 30,330.20 : x
  2. Step 2: Convert to fraction form
    52,584.29/78,750.69 = 30,330.20/x
  3. Step 3: Cross multiply
    52,584.29x = 78,750.69 × 30,330.20
  4. Step 4: Simplify right side
    52,584.29x = 2,388,523,784.08
  5. Step 5: Solve for x
    x = 2,388,523,784.08/52,584.29
  6. Step 6: Final answer
    x = 45,422.77

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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.