Home / 31,105.13-46,664.85-9,756.66

Finding the Fourth Proportional to 31,105.13, 46,664.85 and 9,756.66

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Solution

The fourth proportional to 31,105.13, 46,664.85 and 9,756.66 is: 14,637.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,105.13 : 46,664.85 = 9,756.66 : x
  2. Step 2: Convert to fraction form
    31,105.13/46,664.85 = 9,756.66/x
  3. Step 3: Cross multiply
    31,105.13x = 46,664.85 × 9,756.66
  4. Step 4: Simplify right side
    31,105.13x = 455,293,075.40
  5. Step 5: Solve for x
    x = 455,293,075.40/31,105.13
  6. Step 6: Final answer
    x = 14,637.24

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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.