Home / 56,143.13-84,196.53-18,693.18

Finding the Fourth Proportional to 56,143.13, 84,196.53 and 18,693.18

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Solution

The fourth proportional to 56,143.13, 84,196.53 and 18,693.18 is: 28,033.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,143.13 : 84,196.53 = 18,693.18 : x
  2. Step 2: Convert to fraction form
    56,143.13/84,196.53 = 18,693.18/x
  3. Step 3: Cross multiply
    56,143.13x = 84,196.53 × 18,693.18
  4. Step 4: Simplify right side
    56,143.13x = 1,573,900,890.67
  5. Step 5: Solve for x
    x = 1,573,900,890.67/56,143.13
  6. Step 6: Final answer
    x = 28,033.72

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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.