Home / 74,751.40-112,124.66-30,365.02

Finding the Fourth Proportional to 74,751.40, 112,124.66 and 30,365.02

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Solution

The fourth proportional to 74,751.40, 112,124.66 and 30,365.02 is: 45,546.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,751.40 : 112,124.66 = 30,365.02 : x
  2. Step 2: Convert to fraction form
    74,751.40/112,124.66 = 30,365.02/x
  3. Step 3: Cross multiply
    74,751.40x = 112,124.66 × 30,365.02
  4. Step 4: Simplify right side
    74,751.40x = 3,404,667,543.39
  5. Step 5: Solve for x
    x = 3,404,667,543.39/74,751.40
  6. Step 6: Final answer
    x = 45,546.54

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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.