Home / 56,078.80-84,117.60-16,636.28

Finding the Fourth Proportional to 56,078.80, 84,117.60 and 16,636.28

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Solution

The fourth proportional to 56,078.80, 84,117.60 and 16,636.28 is: 24,954.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,078.80 : 84,117.60 = 16,636.28 : x
  2. Step 2: Convert to fraction form
    56,078.80/84,117.60 = 16,636.28/x
  3. Step 3: Cross multiply
    56,078.80x = 84,117.60 × 16,636.28
  4. Step 4: Simplify right side
    56,078.80x = 1,399,403,946.53
  5. Step 5: Solve for x
    x = 1,399,403,946.53/56,078.80
  6. Step 6: Final answer
    x = 24,954.24

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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.