Home / 74,902.07-112,353.41-18,742.02

Finding the Fourth Proportional to 74,902.07, 112,353.41 and 18,742.02

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Solution

The fourth proportional to 74,902.07, 112,353.41 and 18,742.02 is: 28,113.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,902.07 : 112,353.41 = 18,742.02 : x
  2. Step 2: Convert to fraction form
    74,902.07/112,353.41 = 18,742.02/x
  3. Step 3: Cross multiply
    74,902.07x = 112,353.41 × 18,742.02
  4. Step 4: Simplify right side
    74,902.07x = 2,105,729,763.58
  5. Step 5: Solve for x
    x = 2,105,729,763.58/74,902.07
  6. Step 6: Final answer
    x = 28,113.11

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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.