Home / 55,111.10-82,666.65-28,823.90

Finding the Fourth Proportional to 55,111.10, 82,666.65 and 28,823.90

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Solution

The fourth proportional to 55,111.10, 82,666.65 and 28,823.90 is: 43,235.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,111.10 : 82,666.65 = 28,823.90 : x
  2. Step 2: Convert to fraction form
    55,111.10/82,666.65 = 28,823.90/x
  3. Step 3: Cross multiply
    55,111.10x = 82,666.65 × 28,823.90
  4. Step 4: Simplify right side
    55,111.10x = 2,382,775,252.94
  5. Step 5: Solve for x
    x = 2,382,775,252.94/55,111.10
  6. Step 6: Final answer
    x = 43,235.85

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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.