Home / 69,030.72-103,394.30-57,048.70

Finding the Fourth Proportional to 69,030.72, 103,394.30 and 57,048.70

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Solution

The fourth proportional to 69,030.72, 103,394.30 and 57,048.70 is: 85,447.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,030.72 : 103,394.30 = 57,048.70 : x
  2. Step 2: Convert to fraction form
    69,030.72/103,394.30 = 57,048.70/x
  3. Step 3: Cross multiply
    69,030.72x = 103,394.30 × 57,048.70
  4. Step 4: Simplify right side
    69,030.72x = 5,898,509,885.44
  5. Step 5: Solve for x
    x = 5,898,509,885.44/69,030.72
  6. Step 6: Final answer
    x = 85,447.61

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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.