Home / 104,364.09-144,022.59-56,617.56

Finding the Fourth Proportional to 104,364.09, 144,022.59 and 56,617.56

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Solution

The fourth proportional to 104,364.09, 144,022.59 and 56,617.56 is: 78,132.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,364.09 : 144,022.59 = 56,617.56 : x
  2. Step 2: Convert to fraction form
    104,364.09/144,022.59 = 56,617.56/x
  3. Step 3: Cross multiply
    104,364.09x = 144,022.59 × 56,617.56
  4. Step 4: Simplify right side
    104,364.09x = 8,154,207,630.68
  5. Step 5: Solve for x
    x = 8,154,207,630.68/104,364.09
  6. Step 6: Final answer
    x = 78,132.31

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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.