Home / 56,716.15-84,492.20-54,157.36

Finding the Fourth Proportional to 56,716.15, 84,492.20 and 54,157.36

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Solution

The fourth proportional to 56,716.15, 84,492.20 and 54,157.36 is: 80,680.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,716.15 : 84,492.20 = 54,157.36 : x
  2. Step 2: Convert to fraction form
    56,716.15/84,492.20 = 54,157.36/x
  3. Step 3: Cross multiply
    56,716.15x = 84,492.20 × 54,157.36
  4. Step 4: Simplify right side
    56,716.15x = 4,575,874,492.59
  5. Step 5: Solve for x
    x = 4,575,874,492.59/56,716.15
  6. Step 6: Final answer
    x = 80,680.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.