Home / 56,874.88-85,328.72-17,437.81

Finding the Fourth Proportional to 56,874.88, 85,328.72 and 17,437.81

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Solution

The fourth proportional to 56,874.88, 85,328.72 and 17,437.81 is: 26,161.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,874.88 : 85,328.72 = 17,437.81 : x
  2. Step 2: Convert to fraction form
    56,874.88/85,328.72 = 17,437.81/x
  3. Step 3: Cross multiply
    56,874.88x = 85,328.72 × 17,437.81
  4. Step 4: Simplify right side
    56,874.88x = 1,487,945,919.71
  5. Step 5: Solve for x
    x = 1,487,945,919.71/56,874.88
  6. Step 6: Final answer
    x = 26,161.74

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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.