Home / 50,707.64-76,403.78-42,016.39

Finding the Fourth Proportional to 50,707.64, 76,403.78 and 42,016.39

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Solution

The fourth proportional to 50,707.64, 76,403.78 and 42,016.39 is: 63,308.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,707.64 : 76,403.78 = 42,016.39 : x
  2. Step 2: Convert to fraction form
    50,707.64/76,403.78 = 42,016.39/x
  3. Step 3: Cross multiply
    50,707.64x = 76,403.78 × 42,016.39
  4. Step 4: Simplify right side
    50,707.64x = 3,210,211,017.95
  5. Step 5: Solve for x
    x = 3,210,211,017.95/50,707.64
  6. Step 6: Final answer
    x = 63,308.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.