Home / 74,521.24-102,794.34-45,845.80

Finding the Fourth Proportional to 74,521.24, 102,794.34 and 45,845.80

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Solution

The fourth proportional to 74,521.24, 102,794.34 and 45,845.80 is: 63,239.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,521.24 : 102,794.34 = 45,845.80 : x
  2. Step 2: Convert to fraction form
    74,521.24/102,794.34 = 45,845.80/x
  3. Step 3: Cross multiply
    74,521.24x = 102,794.34 × 45,845.80
  4. Step 4: Simplify right side
    74,521.24x = 4,712,688,752.77
  5. Step 5: Solve for x
    x = 4,712,688,752.77/74,521.24
  6. Step 6: Final answer
    x = 63,239.54

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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.