Home / 56,853.57-85,300.02-19,439.99

Finding the Fourth Proportional to 56,853.57, 85,300.02 and 19,439.99

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Solution

The fourth proportional to 56,853.57, 85,300.02 and 19,439.99 is: 29,166.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,853.57 : 85,300.02 = 19,439.99 : x
  2. Step 2: Convert to fraction form
    56,853.57/85,300.02 = 19,439.99/x
  3. Step 3: Cross multiply
    56,853.57x = 85,300.02 × 19,439.99
  4. Step 4: Simplify right side
    56,853.57x = 1,658,231,429.17
  5. Step 5: Solve for x
    x = 1,658,231,429.17/56,853.57
  6. Step 6: Final answer
    x = 29,166.71

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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.