Home / 51,235.08-70,704.36-28,576.08

Finding the Fourth Proportional to 51,235.08, 70,704.36 and 28,576.08

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Solution

The fourth proportional to 51,235.08, 70,704.36 and 28,576.08 is: 39,434.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,235.08 : 70,704.36 = 28,576.08 : x
  2. Step 2: Convert to fraction form
    51,235.08/70,704.36 = 28,576.08/x
  3. Step 3: Cross multiply
    51,235.08x = 70,704.36 × 28,576.08
  4. Step 4: Simplify right side
    51,235.08x = 2,020,453,447.71
  5. Step 5: Solve for x
    x = 2,020,453,447.71/51,235.08
  6. Step 6: Final answer
    x = 39,434.96

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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.