Home / 104,820.30-144,652.36-57,073.94

Finding the Fourth Proportional to 104,820.30, 144,652.36 and 57,073.94

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Solution

The fourth proportional to 104,820.30, 144,652.36 and 57,073.94 is: 78,762.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,820.30 : 144,652.36 = 57,073.94 : x
  2. Step 2: Convert to fraction form
    104,820.30/144,652.36 = 57,073.94/x
  3. Step 3: Cross multiply
    104,820.30x = 144,652.36 × 57,073.94
  4. Step 4: Simplify right side
    104,820.30x = 8,255,880,115.50
  5. Step 5: Solve for x
    x = 8,255,880,115.50/104,820.30
  6. Step 6: Final answer
    x = 78,762.23

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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.