Home / 85,024.37-117,343.74-48,738.80

Finding the Fourth Proportional to 85,024.37, 117,343.74 and 48,738.80

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Solution

The fourth proportional to 85,024.37, 117,343.74 and 48,738.80 is: 67,265.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,024.37 : 117,343.74 = 48,738.80 : x
  2. Step 2: Convert to fraction form
    85,024.37/117,343.74 = 48,738.80/x
  3. Step 3: Cross multiply
    85,024.37x = 117,343.74 × 48,738.80
  4. Step 4: Simplify right side
    85,024.37x = 5,719,193,075.11
  5. Step 5: Solve for x
    x = 5,719,193,075.11/85,024.37
  6. Step 6: Final answer
    x = 67,265.34

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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.