Home / 49,903.56-74,862.63-20,323.17

Finding the Fourth Proportional to 49,903.56, 74,862.63 and 20,323.17

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Solution

The fourth proportional to 49,903.56, 74,862.63 and 20,323.17 is: 30,487.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,903.56 : 74,862.63 = 20,323.17 : x
  2. Step 2: Convert to fraction form
    49,903.56/74,862.63 = 20,323.17/x
  3. Step 3: Cross multiply
    49,903.56x = 74,862.63 × 20,323.17
  4. Step 4: Simplify right side
    49,903.56x = 1,521,445,956.14
  5. Step 5: Solve for x
    x = 1,521,445,956.14/49,903.56
  6. Step 6: Final answer
    x = 30,487.72

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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.