Home / 85,072.68-117,426.11-49,271.49

Finding the Fourth Proportional to 85,072.68, 117,426.11 and 49,271.49

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Solution

The fourth proportional to 85,072.68, 117,426.11 and 49,271.49 is: 68,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,072.68 : 117,426.11 = 49,271.49 : x
  2. Step 2: Convert to fraction form
    85,072.68/117,426.11 = 49,271.49/x
  3. Step 3: Cross multiply
    85,072.68x = 117,426.11 × 49,271.49
  4. Step 4: Simplify right side
    85,072.68x = 5,785,759,158.25
  5. Step 5: Solve for x
    x = 5,785,759,158.25/85,072.68
  6. Step 6: Final answer
    x = 68,009.60

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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.