Home / 56,982.86-85,477.93-21,922.51

Finding the Fourth Proportional to 56,982.86, 85,477.93 and 21,922.51

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Solution

The fourth proportional to 56,982.86, 85,477.93 and 21,922.51 is: 32,885.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,982.86 : 85,477.93 = 21,922.51 : x
  2. Step 2: Convert to fraction form
    56,982.86/85,477.93 = 21,922.51/x
  3. Step 3: Cross multiply
    56,982.86x = 85,477.93 × 21,922.51
  4. Step 4: Simplify right side
    56,982.86x = 1,873,891,043.71
  5. Step 5: Solve for x
    x = 1,873,891,043.71/56,982.86
  6. Step 6: Final answer
    x = 32,885.17

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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.