Home / 72,967.08-100,686.60-41,137.32

Finding the Fourth Proportional to 72,967.08, 100,686.60 and 41,137.32

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Solution

The fourth proportional to 72,967.08, 100,686.60 and 41,137.32 is: 56,765.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,967.08 : 100,686.60 = 41,137.32 : x
  2. Step 2: Convert to fraction form
    72,967.08/100,686.60 = 41,137.32/x
  3. Step 3: Cross multiply
    72,967.08x = 100,686.60 × 41,137.32
  4. Step 4: Simplify right side
    72,967.08x = 4,141,976,883.91
  5. Step 5: Solve for x
    x = 4,141,976,883.91/72,967.08
  6. Step 6: Final answer
    x = 56,765.01

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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.