Home / 55,218.04-82,762.26-28,935.16

Finding the Fourth Proportional to 55,218.04, 82,762.26 and 28,935.16

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Solution

The fourth proportional to 55,218.04, 82,762.26 and 28,935.16 is: 43,368.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,218.04 : 82,762.26 = 28,935.16 : x
  2. Step 2: Convert to fraction form
    55,218.04/82,762.26 = 28,935.16/x
  3. Step 3: Cross multiply
    55,218.04x = 82,762.26 × 28,935.16
  4. Step 4: Simplify right side
    55,218.04x = 2,394,739,235.06
  5. Step 5: Solve for x
    x = 2,394,739,235.06/55,218.04
  6. Step 6: Final answer
    x = 43,368.78

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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.