Home / 61,299.90-91,940.85-19,170.18

Finding the Fourth Proportional to 61,299.90, 91,940.85 and 19,170.18

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Solution

The fourth proportional to 61,299.90, 91,940.85 and 19,170.18 is: 28,752.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,299.90 : 91,940.85 = 19,170.18 : x
  2. Step 2: Convert to fraction form
    61,299.90/91,940.85 = 19,170.18/x
  3. Step 3: Cross multiply
    61,299.90x = 91,940.85 × 19,170.18
  4. Step 4: Simplify right side
    61,299.90x = 1,762,522,643.85
  5. Step 5: Solve for x
    x = 1,762,522,643.85/61,299.90
  6. Step 6: Final answer
    x = 28,752.46

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1.5x scale

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.