Home / 85,075.24-117,410.64-49,265.89

Finding the Fourth Proportional to 85,075.24, 117,410.64 and 49,265.89

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Solution

The fourth proportional to 85,075.24, 117,410.64 and 49,265.89 is: 67,990.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,075.24 : 117,410.64 = 49,265.89 : x
  2. Step 2: Convert to fraction form
    85,075.24/117,410.64 = 49,265.89/x
  3. Step 3: Cross multiply
    85,075.24x = 117,410.64 × 49,265.89
  4. Step 4: Simplify right side
    85,075.24x = 5,784,339,675.07
  5. Step 5: Solve for x
    x = 5,784,339,675.07/85,075.24
  6. Step 6: Final answer
    x = 67,990.87

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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.