Home / 61,722.21-92,586.51-19,605.59

Finding the Fourth Proportional to 61,722.21, 92,586.51 and 19,605.59

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Solution

The fourth proportional to 61,722.21, 92,586.51 and 19,605.59 is: 29,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,722.21 : 92,586.51 = 19,605.59 : x
  2. Step 2: Convert to fraction form
    61,722.21/92,586.51 = 19,605.59/x
  3. Step 3: Cross multiply
    61,722.21x = 92,586.51 × 19,605.59
  4. Step 4: Simplify right side
    61,722.21x = 1,815,213,154.59
  5. Step 5: Solve for x
    x = 1,815,213,154.59/61,722.21
  6. Step 6: Final answer
    x = 29,409.40

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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.