Home / 104,820.32-144,652.22-57,073.87

Finding the Fourth Proportional to 104,820.32, 144,652.22 and 57,073.87

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Solution

The fourth proportional to 104,820.32, 144,652.22 and 57,073.87 is: 78,762.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,820.32 : 144,652.22 = 57,073.87 : x
  2. Step 2: Convert to fraction form
    104,820.32/144,652.22 = 57,073.87/x
  3. Step 3: Cross multiply
    104,820.32x = 144,652.22 × 57,073.87
  4. Step 4: Simplify right side
    104,820.32x = 8,255,860,990.86
  5. Step 5: Solve for x
    x = 8,255,860,990.86/104,820.32
  6. Step 6: Final answer
    x = 78,762.03

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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.