Home / 76,286.14-105,280.71-48,016.06

Finding the Fourth Proportional to 76,286.14, 105,280.71 and 48,016.06

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Solution

The fourth proportional to 76,286.14, 105,280.71 and 48,016.06 is: 66,265.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,286.14 : 105,280.71 = 48,016.06 : x
  2. Step 2: Convert to fraction form
    76,286.14/105,280.71 = 48,016.06/x
  3. Step 3: Cross multiply
    76,286.14x = 105,280.71 × 48,016.06
  4. Step 4: Simplify right side
    76,286.14x = 5,055,164,888.20
  5. Step 5: Solve for x
    x = 5,055,164,888.20/76,286.14
  6. Step 6: Final answer
    x = 66,265.84

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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.