Home / 74,666.06-112,015.48-54,884.64

Finding the Fourth Proportional to 74,666.06, 112,015.48 and 54,884.64

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Solution

The fourth proportional to 74,666.06, 112,015.48 and 54,884.64 is: 82,339.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,666.06 : 112,015.48 = 54,884.64 : x
  2. Step 2: Convert to fraction form
    74,666.06/112,015.48 = 54,884.64/x
  3. Step 3: Cross multiply
    74,666.06x = 112,015.48 × 54,884.64
  4. Step 4: Simplify right side
    74,666.06x = 6,147,929,913.11
  5. Step 5: Solve for x
    x = 6,147,929,913.11/74,666.06
  6. Step 6: Final answer
    x = 82,339.02

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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.