Home / 55,051.02-75,969.99-29,900.70

Finding the Fourth Proportional to 55,051.02, 75,969.99 and 29,900.70

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Solution

The fourth proportional to 55,051.02, 75,969.99 and 29,900.70 is: 41,262.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,051.02 : 75,969.99 = 29,900.70 : x
  2. Step 2: Convert to fraction form
    55,051.02/75,969.99 = 29,900.70/x
  3. Step 3: Cross multiply
    55,051.02x = 75,969.99 × 29,900.70
  4. Step 4: Simplify right side
    55,051.02x = 2,271,555,879.99
  5. Step 5: Solve for x
    x = 2,271,555,879.99/55,051.02
  6. Step 6: Final answer
    x = 41,262.74

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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.