Home / 76,268.24-105,246.56-42,274.56

Finding the Fourth Proportional to 76,268.24, 105,246.56 and 42,274.56

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Solution

The fourth proportional to 76,268.24, 105,246.56 and 42,274.56 is: 58,336.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,268.24 : 105,246.56 = 42,274.56 : x
  2. Step 2: Convert to fraction form
    76,268.24/105,246.56 = 42,274.56/x
  3. Step 3: Cross multiply
    76,268.24x = 105,246.56 × 42,274.56
  4. Step 4: Simplify right side
    76,268.24x = 4,449,252,015.51
  5. Step 5: Solve for x
    x = 4,449,252,015.51/76,268.24
  6. Step 6: Final answer
    x = 58,336.89

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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.