Home / 46,761.99-70,129.89-13,020.36

Finding the Fourth Proportional to 46,761.99, 70,129.89 and 13,020.36

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Solution

The fourth proportional to 46,761.99, 70,129.89 and 13,020.36 is: 19,526.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,761.99 : 70,129.89 = 13,020.36 : x
  2. Step 2: Convert to fraction form
    46,761.99/70,129.89 = 13,020.36/x
  3. Step 3: Cross multiply
    46,761.99x = 70,129.89 × 13,020.36
  4. Step 4: Simplify right side
    46,761.99x = 913,116,414.56
  5. Step 5: Solve for x
    x = 913,116,414.56/46,761.99
  6. Step 6: Final answer
    x = 19,526.89

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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.