Home / 104,644.20-144,407.28-56,898.75

Finding the Fourth Proportional to 104,644.20, 144,407.28 and 56,898.75

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Solution

The fourth proportional to 104,644.20, 144,407.28 and 56,898.75 is: 78,519.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,644.20 : 144,407.28 = 56,898.75 : x
  2. Step 2: Convert to fraction form
    104,644.20/144,407.28 = 56,898.75/x
  3. Step 3: Cross multiply
    104,644.20x = 144,407.28 × 56,898.75
  4. Step 4: Simplify right side
    104,644.20x = 8,216,593,722.90
  5. Step 5: Solve for x
    x = 8,216,593,722.90/104,644.20
  6. Step 6: Final answer
    x = 78,519.34

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1.5x scale

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.