Home / 56,477.16-84,683.32-21,394.44

Finding the Fourth Proportional to 56,477.16, 84,683.32 and 21,394.44

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Solution

The fourth proportional to 56,477.16, 84,683.32 and 21,394.44 is: 32,079.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,477.16 : 84,683.32 = 21,394.44 : x
  2. Step 2: Convert to fraction form
    56,477.16/84,683.32 = 21,394.44/x
  3. Step 3: Cross multiply
    56,477.16x = 84,683.32 × 21,394.44
  4. Step 4: Simplify right side
    56,477.16x = 1,811,752,208.74
  5. Step 5: Solve for x
    x = 1,811,752,208.74/56,477.16
  6. Step 6: Final answer
    x = 32,079.38

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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.