Home / 76,116.09-105,014.61-44,258.79

Finding the Fourth Proportional to 76,116.09, 105,014.61 and 44,258.79

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Solution

The fourth proportional to 76,116.09, 105,014.61 and 44,258.79 is: 61,062.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,116.09 : 105,014.61 = 44,258.79 : x
  2. Step 2: Convert to fraction form
    76,116.09/105,014.61 = 44,258.79/x
  3. Step 3: Cross multiply
    76,116.09x = 105,014.61 × 44,258.79
  4. Step 4: Simplify right side
    76,116.09x = 4,647,819,570.92
  5. Step 5: Solve for x
    x = 4,647,819,570.92/76,116.09
  6. Step 6: Final answer
    x = 61,062.25

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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.