Home / 75,477.40-104,164.62-45,263.86

Finding the Fourth Proportional to 75,477.40, 104,164.62 and 45,263.86

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Solution

The fourth proportional to 75,477.40, 104,164.62 and 45,263.86 is: 62,467.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,477.40 : 104,164.62 = 45,263.86 : x
  2. Step 2: Convert to fraction form
    75,477.40/104,164.62 = 45,263.86/x
  3. Step 3: Cross multiply
    75,477.40x = 104,164.62 × 45,263.86
  4. Step 4: Simplify right side
    75,477.40x = 4,714,892,776.63
  5. Step 5: Solve for x
    x = 4,714,892,776.63/75,477.40
  6. Step 6: Final answer
    x = 62,467.61

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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.