Home / 82,971.90-124,282.84-56,334.24

Finding the Fourth Proportional to 82,971.90, 124,282.84 and 56,334.24

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Solution

The fourth proportional to 82,971.90, 124,282.84 and 56,334.24 is: 84,382.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,971.90 : 124,282.84 = 56,334.24 : x
  2. Step 2: Convert to fraction form
    82,971.90/124,282.84 = 56,334.24/x
  3. Step 3: Cross multiply
    82,971.90x = 124,282.84 × 56,334.24
  4. Step 4: Simplify right side
    82,971.90x = 7,001,379,336.44
  5. Step 5: Solve for x
    x = 7,001,379,336.44/82,971.90
  6. Step 6: Final answer
    x = 84,382.54

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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.