Home / 61,063.85-91,600.23-18,938.59

Finding the Fourth Proportional to 61,063.85, 91,600.23 and 18,938.59

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Solution

The fourth proportional to 61,063.85, 91,600.23 and 18,938.59 is: 28,409.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,063.85 : 91,600.23 = 18,938.59 : x
  2. Step 2: Convert to fraction form
    61,063.85/91,600.23 = 18,938.59/x
  3. Step 3: Cross multiply
    61,063.85x = 91,600.23 × 18,938.59
  4. Step 4: Simplify right side
    61,063.85x = 1,734,779,199.88
  5. Step 5: Solve for x
    x = 1,734,779,199.88/61,063.85
  6. Step 6: Final answer
    x = 28,409.27

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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.