Home / 85,271.64-117,673.26-47,034.78

Finding the Fourth Proportional to 85,271.64, 117,673.26 and 47,034.78

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Solution

The fourth proportional to 85,271.64, 117,673.26 and 47,034.78 is: 64,907.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,271.64 : 117,673.26 = 47,034.78 : x
  2. Step 2: Convert to fraction form
    85,271.64/117,673.26 = 47,034.78/x
  3. Step 3: Cross multiply
    85,271.64x = 117,673.26 × 47,034.78
  4. Step 4: Simplify right side
    85,271.64x = 5,534,735,895.98
  5. Step 5: Solve for x
    x = 5,534,735,895.98/85,271.64
  6. Step 6: Final answer
    x = 64,907.11

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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.