Home / 42,567.75-63,855.29-10,977.54

Finding the Fourth Proportional to 42,567.75, 63,855.29 and 10,977.54

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Solution

The fourth proportional to 42,567.75, 63,855.29 and 10,977.54 is: 16,467.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,567.75 : 63,855.29 = 10,977.54 : x
  2. Step 2: Convert to fraction form
    42,567.75/63,855.29 = 10,977.54/x
  3. Step 3: Cross multiply
    42,567.75x = 63,855.29 × 10,977.54
  4. Step 4: Simplify right side
    42,567.75x = 700,974,000.19
  5. Step 5: Solve for x
    x = 700,974,000.19/42,567.75
  6. Step 6: Final answer
    x = 16,467.26

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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.