Home / 104,080.89-143,631.60-56,334.63

Finding the Fourth Proportional to 104,080.89, 143,631.60 and 56,334.63

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Solution

The fourth proportional to 104,080.89, 143,631.60 and 56,334.63 is: 77,741.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,080.89 : 143,631.60 = 56,334.63 : x
  2. Step 2: Convert to fraction form
    104,080.89/143,631.60 = 56,334.63/x
  3. Step 3: Cross multiply
    104,080.89x = 143,631.60 × 56,334.63
  4. Step 4: Simplify right side
    104,080.89x = 8,091,433,042.31
  5. Step 5: Solve for x
    x = 8,091,433,042.31/104,080.89
  6. Step 6: Final answer
    x = 77,741.77

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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.