Home / 55,603.10-83,404.65-54,145.10

Finding the Fourth Proportional to 55,603.10, 83,404.65 and 54,145.10

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Solution

The fourth proportional to 55,603.10, 83,404.65 and 54,145.10 is: 81,217.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,603.10 : 83,404.65 = 54,145.10 : x
  2. Step 2: Convert to fraction form
    55,603.10/83,404.65 = 54,145.10/x
  3. Step 3: Cross multiply
    55,603.10x = 83,404.65 × 54,145.10
  4. Step 4: Simplify right side
    55,603.10x = 4,515,953,114.72
  5. Step 5: Solve for x
    x = 4,515,953,114.72/55,603.10
  6. Step 6: Final answer
    x = 81,217.65

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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.