Home / 56,688.72-85,045.37-17,244.80

Finding the Fourth Proportional to 56,688.72, 85,045.37 and 17,244.80

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Solution

The fourth proportional to 56,688.72, 85,045.37 and 17,244.80 is: 25,870.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,688.72 : 85,045.37 = 17,244.80 : x
  2. Step 2: Convert to fraction form
    56,688.72/85,045.37 = 17,244.80/x
  3. Step 3: Cross multiply
    56,688.72x = 85,045.37 × 17,244.80
  4. Step 4: Simplify right side
    56,688.72x = 1,466,589,885.13
  5. Step 5: Solve for x
    x = 1,466,589,885.13/56,688.72
  6. Step 6: Final answer
    x = 25,870.93

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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.