Home / 76,659.24-105,789.06-43,124.52

Finding the Fourth Proportional to 76,659.24, 105,789.06 and 43,124.52

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Solution

The fourth proportional to 76,659.24, 105,789.06 and 43,124.52 is: 59,511.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,659.24 : 105,789.06 = 43,124.52 : x
  2. Step 2: Convert to fraction form
    76,659.24/105,789.06 = 43,124.52/x
  3. Step 3: Cross multiply
    76,659.24x = 105,789.06 × 43,124.52
  4. Step 4: Simplify right side
    76,659.24x = 4,562,102,433.75
  5. Step 5: Solve for x
    x = 4,562,102,433.75/76,659.24
  6. Step 6: Final answer
    x = 59,511.45

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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.