Home / 69,260.16-103,890.24-56,092.80

Finding the Fourth Proportional to 69,260.16, 103,890.24 and 56,092.80

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Solution

The fourth proportional to 69,260.16, 103,890.24 and 56,092.80 is: 84,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,260.16 : 103,890.24 = 56,092.80 : x
  2. Step 2: Convert to fraction form
    69,260.16/103,890.24 = 56,092.80/x
  3. Step 3: Cross multiply
    69,260.16x = 103,890.24 × 56,092.80
  4. Step 4: Simplify right side
    69,260.16x = 5,827,494,454.27
  5. Step 5: Solve for x
    x = 5,827,494,454.27/69,260.16
  6. Step 6: Final answer
    x = 84,139.20

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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.