Home / 85,134.20-117,483.80-46,897.38

Finding the Fourth Proportional to 85,134.20, 117,483.80 and 46,897.38

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Solution

The fourth proportional to 85,134.20, 117,483.80 and 46,897.38 is: 64,717.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,134.20 : 117,483.80 = 46,897.38 : x
  2. Step 2: Convert to fraction form
    85,134.20/117,483.80 = 46,897.38/x
  3. Step 3: Cross multiply
    85,134.20x = 117,483.80 × 46,897.38
  4. Step 4: Simplify right side
    85,134.20x = 5,509,682,177.96
  5. Step 5: Solve for x
    x = 5,509,682,177.96/85,134.20
  6. Step 6: Final answer
    x = 64,717.62

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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.