Home / 76,530.27-105,641.19-51,027.33

Finding the Fourth Proportional to 76,530.27, 105,641.19 and 51,027.33

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Solution

The fourth proportional to 76,530.27, 105,641.19 and 51,027.33 is: 70,437.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,530.27 : 105,641.19 = 51,027.33 : x
  2. Step 2: Convert to fraction form
    76,530.27/105,641.19 = 51,027.33/x
  3. Step 3: Cross multiply
    76,530.27x = 105,641.19 × 51,027.33
  4. Step 4: Simplify right side
    76,530.27x = 5,390,587,863.72
  5. Step 5: Solve for x
    x = 5,390,587,863.72/76,530.27
  6. Step 6: Final answer
    x = 70,437.33

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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.