Home / 72,913.64-100,619.62-41,085.64

Finding the Fourth Proportional to 72,913.64, 100,619.62 and 41,085.64

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Solution

The fourth proportional to 72,913.64, 100,619.62 and 41,085.64 is: 56,697.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,913.64 : 100,619.62 = 41,085.64 : x
  2. Step 2: Convert to fraction form
    72,913.64/100,619.62 = 41,085.64/x
  3. Step 3: Cross multiply
    72,913.64x = 100,619.62 × 41,085.64
  4. Step 4: Simplify right side
    72,913.64x = 4,134,021,484.26
  5. Step 5: Solve for x
    x = 4,134,021,484.26/72,913.64
  6. Step 6: Final answer
    x = 56,697.51

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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.