Home / 69,128.30-95,347.88-46,146.54

Finding the Fourth Proportional to 69,128.30, 95,347.88 and 46,146.54

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Solution

The fourth proportional to 69,128.30, 95,347.88 and 46,146.54 is: 63,649.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,128.30 : 95,347.88 = 46,146.54 : x
  2. Step 2: Convert to fraction form
    69,128.30/95,347.88 = 46,146.54/x
  3. Step 3: Cross multiply
    69,128.30x = 95,347.88 × 46,146.54
  4. Step 4: Simplify right side
    69,128.30x = 4,399,974,758.34
  5. Step 5: Solve for x
    x = 4,399,974,758.34/69,128.30
  6. Step 6: Final answer
    x = 63,649.40

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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.