Home / 74,543.07-102,835.56-44,311.21

Finding the Fourth Proportional to 74,543.07, 102,835.56 and 44,311.21

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Solution

The fourth proportional to 74,543.07, 102,835.56 and 44,311.21 is: 61,129.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,543.07 : 102,835.56 = 44,311.21 : x
  2. Step 2: Convert to fraction form
    74,543.07/102,835.56 = 44,311.21/x
  3. Step 3: Cross multiply
    74,543.07x = 102,835.56 × 44,311.21
  4. Step 4: Simplify right side
    74,543.07x = 4,556,768,094.63
  5. Step 5: Solve for x
    x = 4,556,768,094.63/74,543.07
  6. Step 6: Final answer
    x = 61,129.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.