Home / 52,582.79-78,748.44-30,328.70

Finding the Fourth Proportional to 52,582.79, 78,748.44 and 30,328.70

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Solution

The fourth proportional to 52,582.79, 78,748.44 and 30,328.70 is: 45,420.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,582.79 : 78,748.44 = 30,328.70 : x
  2. Step 2: Convert to fraction form
    52,582.79/78,748.44 = 30,328.70/x
  3. Step 3: Cross multiply
    52,582.79x = 78,748.44 × 30,328.70
  4. Step 4: Simplify right side
    52,582.79x = 2,388,337,418.49
  5. Step 5: Solve for x
    x = 2,388,337,418.49/52,582.79
  6. Step 6: Final answer
    x = 45,420.52

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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.