Home / 50,678.31-75,903.29-39,343.41

Finding the Fourth Proportional to 50,678.31, 75,903.29 and 39,343.41

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Solution

The fourth proportional to 50,678.31, 75,903.29 and 39,343.41 is: 58,926.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,678.31 : 75,903.29 = 39,343.41 : x
  2. Step 2: Convert to fraction form
    50,678.31/75,903.29 = 39,343.41/x
  3. Step 3: Cross multiply
    50,678.31x = 75,903.29 × 39,343.41
  4. Step 4: Simplify right side
    50,678.31x = 2,986,294,062.10
  5. Step 5: Solve for x
    x = 2,986,294,062.10/50,678.31
  6. Step 6: Final answer
    x = 58,926.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.