Home / 56,415.80-84,623.52-16,972.86

Finding the Fourth Proportional to 56,415.80, 84,623.52 and 16,972.86

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Solution

The fourth proportional to 56,415.80, 84,623.52 and 16,972.86 is: 25,459.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,415.80 : 84,623.52 = 16,972.86 : x
  2. Step 2: Convert to fraction form
    56,415.80/84,623.52 = 16,972.86/x
  3. Step 3: Cross multiply
    56,415.80x = 84,623.52 × 16,972.86
  4. Step 4: Simplify right side
    56,415.80x = 1,436,303,157.67
  5. Step 5: Solve for x
    x = 1,436,303,157.67/56,415.80
  6. Step 6: Final answer
    x = 25,459.24

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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.