Home / 55,654.86-76,804.02-30,504.36

Finding the Fourth Proportional to 55,654.86, 76,804.02 and 30,504.36

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Solution

The fourth proportional to 55,654.86, 76,804.02 and 30,504.36 is: 42,096.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,654.86 : 76,804.02 = 30,504.36 : x
  2. Step 2: Convert to fraction form
    55,654.86/76,804.02 = 30,504.36/x
  3. Step 3: Cross multiply
    55,654.86x = 76,804.02 × 30,504.36
  4. Step 4: Simplify right side
    55,654.86x = 2,342,857,475.53
  5. Step 5: Solve for x
    x = 2,342,857,475.53/55,654.86
  6. Step 6: Final answer
    x = 42,096.19

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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.