Home / 56,582.76-84,874.38-19,143.06

Finding the Fourth Proportional to 56,582.76, 84,874.38 and 19,143.06

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Solution

The fourth proportional to 56,582.76, 84,874.38 and 19,143.06 is: 28,714.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,582.76 : 84,874.38 = 19,143.06 : x
  2. Step 2: Convert to fraction form
    56,582.76/84,874.38 = 19,143.06/x
  3. Step 3: Cross multiply
    56,582.76x = 84,874.38 × 19,143.06
  4. Step 4: Simplify right side
    56,582.76x = 1,624,755,348.80
  5. Step 5: Solve for x
    x = 1,624,755,348.80/56,582.76
  6. Step 6: Final answer
    x = 28,714.67

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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.