Home / 46,078.02-69,120.17-15,670.78

Finding the Fourth Proportional to 46,078.02, 69,120.17 and 15,670.78

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Solution

The fourth proportional to 46,078.02, 69,120.17 and 15,670.78 is: 23,507.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,078.02 : 69,120.17 = 15,670.78 : x
  2. Step 2: Convert to fraction form
    46,078.02/69,120.17 = 15,670.78/x
  3. Step 3: Cross multiply
    46,078.02x = 69,120.17 × 15,670.78
  4. Step 4: Simplify right side
    46,078.02x = 1,083,166,977.63
  5. Step 5: Solve for x
    x = 1,083,166,977.63/46,078.02
  6. Step 6: Final answer
    x = 23,507.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.