Home / 55,722.86-83,583.99-13,603.16

Finding the Fourth Proportional to 55,722.86, 83,583.99 and 13,603.16

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Solution

The fourth proportional to 55,722.86, 83,583.99 and 13,603.16 is: 20,404.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,722.86 : 83,583.99 = 13,603.16 : x
  2. Step 2: Convert to fraction form
    55,722.86/83,583.99 = 13,603.16/x
  3. Step 3: Cross multiply
    55,722.86x = 83,583.99 × 13,603.16
  4. Step 4: Simplify right side
    55,722.86x = 1,137,006,649.38
  5. Step 5: Solve for x
    x = 1,137,006,649.38/55,722.86
  6. Step 6: Final answer
    x = 20,404.67

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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.