Home / 104,364.28-144,021.90-56,617.48

Finding the Fourth Proportional to 104,364.28, 144,021.90 and 56,617.48

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Solution

The fourth proportional to 104,364.28, 144,021.90 and 56,617.48 is: 78,131.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,364.28 : 144,021.90 = 56,617.48 : x
  2. Step 2: Convert to fraction form
    104,364.28/144,021.90 = 56,617.48/x
  3. Step 3: Cross multiply
    104,364.28x = 144,021.90 × 56,617.48
  4. Step 4: Simplify right side
    104,364.28x = 8,154,157,042.81
  5. Step 5: Solve for x
    x = 8,154,157,042.81/104,364.28
  6. Step 6: Final answer
    x = 78,131.68

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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.