Home / 104,236.77-143,846.86-56,490.12

Finding the Fourth Proportional to 104,236.77, 143,846.86 and 56,490.12

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Solution

The fourth proportional to 104,236.77, 143,846.86 and 56,490.12 is: 77,956.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,236.77 : 143,846.86 = 56,490.12 : x
  2. Step 2: Convert to fraction form
    104,236.77/143,846.86 = 56,490.12/x
  3. Step 3: Cross multiply
    104,236.77x = 143,846.86 × 56,490.12
  4. Step 4: Simplify right side
    104,236.77x = 8,125,926,383.02
  5. Step 5: Solve for x
    x = 8,125,926,383.02/104,236.77
  6. Step 6: Final answer
    x = 77,956.43

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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.