Home / 104,754.28-144,560.63-57,007.61

Finding the Fourth Proportional to 104,754.28, 144,560.63 and 57,007.61

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Solution

The fourth proportional to 104,754.28, 144,560.63 and 57,007.61 is: 78,670.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,754.28 : 144,560.63 = 57,007.61 : x
  2. Step 2: Convert to fraction form
    104,754.28/144,560.63 = 57,007.61/x
  3. Step 3: Cross multiply
    104,754.28x = 144,560.63 × 57,007.61
  4. Step 4: Simplify right side
    104,754.28x = 8,241,056,016.39
  5. Step 5: Solve for x
    x = 8,241,056,016.39/104,754.28
  6. Step 6: Final answer
    x = 78,670.35

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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.