Home / 46,461.72-69,690.92-13,181.68

Finding the Fourth Proportional to 46,461.72, 69,690.92 and 13,181.68

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Solution

The fourth proportional to 46,461.72, 69,690.92 and 13,181.68 is: 19,772.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,461.72 : 69,690.92 = 13,181.68 : x
  2. Step 2: Convert to fraction form
    46,461.72/69,690.92 = 13,181.68/x
  3. Step 3: Cross multiply
    46,461.72x = 69,690.92 × 13,181.68
  4. Step 4: Simplify right side
    46,461.72x = 918,643,406.35
  5. Step 5: Solve for x
    x = 918,643,406.35/46,461.72
  6. Step 6: Final answer
    x = 19,772.05

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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.