Home / 87,675.40-131,567.10-37,779.40

Finding the Fourth Proportional to 87,675.40, 131,567.10 and 37,779.40

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Solution

The fourth proportional to 87,675.40, 131,567.10 and 37,779.40 is: 56,692.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,675.40 : 131,567.10 = 37,779.40 : x
  2. Step 2: Convert to fraction form
    87,675.40/131,567.10 = 37,779.40/x
  3. Step 3: Cross multiply
    87,675.40x = 131,567.10 × 37,779.40
  4. Step 4: Simplify right side
    87,675.40x = 4,970,526,097.74
  5. Step 5: Solve for x
    x = 4,970,526,097.74/87,675.40
  6. Step 6: Final answer
    x = 56,692.37

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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.