Home / 72,985.36-100,716.74-41,157.22

Finding the Fourth Proportional to 72,985.36, 100,716.74 and 41,157.22

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Solution

The fourth proportional to 72,985.36, 100,716.74 and 41,157.22 is: 56,795.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,985.36 : 100,716.74 = 41,157.22 : x
  2. Step 2: Convert to fraction form
    72,985.36/100,716.74 = 41,157.22/x
  3. Step 3: Cross multiply
    72,985.36x = 100,716.74 × 41,157.22
  4. Step 4: Simplify right side
    72,985.36x = 4,145,221,025.86
  5. Step 5: Solve for x
    x = 4,145,221,025.86/72,985.36
  6. Step 6: Final answer
    x = 56,795.24

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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.