Home / 85,144.74-117,503.39-47,418.99

Finding the Fourth Proportional to 85,144.74, 117,503.39 and 47,418.99

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Solution

The fourth proportional to 85,144.74, 117,503.39 and 47,418.99 is: 65,440.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,144.74 : 117,503.39 = 47,418.99 : x
  2. Step 2: Convert to fraction form
    85,144.74/117,503.39 = 47,418.99/x
  3. Step 3: Cross multiply
    85,144.74x = 117,503.39 × 47,418.99
  4. Step 4: Simplify right side
    85,144.74x = 5,571,892,075.38
  5. Step 5: Solve for x
    x = 5,571,892,075.38/85,144.74
  6. Step 6: Final answer
    x = 65,440.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.