Home / 76,117.25-105,006.74-49,268.39

Finding the Fourth Proportional to 76,117.25, 105,006.74 and 49,268.39

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Solution

The fourth proportional to 76,117.25, 105,006.74 and 49,268.39 is: 67,967.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,117.25 : 105,006.74 = 49,268.39 : x
  2. Step 2: Convert to fraction form
    76,117.25/105,006.74 = 49,268.39/x
  3. Step 3: Cross multiply
    76,117.25x = 105,006.74 × 49,268.39
  4. Step 4: Simplify right side
    76,117.25x = 5,173,512,247.57
  5. Step 5: Solve for x
    x = 5,173,512,247.57/76,117.25
  6. Step 6: Final answer
    x = 67,967.67

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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.