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Finding the Fourth Proportional to 74,884.96, 112,271.95 and 35,395.93

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Solution

The fourth proportional to 74,884.96, 112,271.95 and 35,395.93 is: 53,067.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,884.96 : 112,271.95 = 35,395.93 : x
  2. Step 2: Convert to fraction form
    74,884.96/112,271.95 = 35,395.93/x
  3. Step 3: Cross multiply
    74,884.96x = 112,271.95 × 35,395.93
  4. Step 4: Simplify right side
    74,884.96x = 3,973,970,083.16
  5. Step 5: Solve for x
    x = 3,973,970,083.16/74,884.96
  6. Step 6: Final answer
    x = 53,067.67

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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.