Home / 104,469.47-144,165.70-56,722.86

Finding the Fourth Proportional to 104,469.47, 144,165.70 and 56,722.86

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Solution

The fourth proportional to 104,469.47, 144,165.70 and 56,722.86 is: 78,276.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,469.47 : 144,165.70 = 56,722.86 : x
  2. Step 2: Convert to fraction form
    104,469.47/144,165.70 = 56,722.86/x
  3. Step 3: Cross multiply
    104,469.47x = 144,165.70 × 56,722.86
  4. Step 4: Simplify right side
    104,469.47x = 8,177,490,534.29
  5. Step 5: Solve for x
    x = 8,177,490,534.29/104,469.47
  6. Step 6: Final answer
    x = 78,276.37

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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.