Home / 53,040.42-79,576.02-30,812.94

Finding the Fourth Proportional to 53,040.42, 79,576.02 and 30,812.94

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Solution

The fourth proportional to 53,040.42, 79,576.02 and 30,812.94 is: 46,228.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,040.42 : 79,576.02 = 30,812.94 : x
  2. Step 2: Convert to fraction form
    53,040.42/79,576.02 = 30,812.94/x
  3. Step 3: Cross multiply
    53,040.42x = 79,576.02 × 30,812.94
  4. Step 4: Simplify right side
    53,040.42x = 2,451,971,129.70
  5. Step 5: Solve for x
    x = 2,451,971,129.70/53,040.42
  6. Step 6: Final answer
    x = 46,228.35

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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.