Home / 85,075.38-117,410.80-49,266.02

Finding the Fourth Proportional to 85,075.38, 117,410.80 and 49,266.02

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Solution

The fourth proportional to 85,075.38, 117,410.80 and 49,266.02 is: 67,991.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,075.38 : 117,410.80 = 49,266.02 : x
  2. Step 2: Convert to fraction form
    85,075.38/117,410.80 = 49,266.02/x
  3. Step 3: Cross multiply
    85,075.38x = 117,410.80 × 49,266.02
  4. Step 4: Simplify right side
    85,075.38x = 5,784,362,821.02
  5. Step 5: Solve for x
    x = 5,784,362,821.02/85,075.38
  6. Step 6: Final answer
    x = 67,991.03

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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.