Home / 76,199.86-105,157.29-45,604.45

Finding the Fourth Proportional to 76,199.86, 105,157.29 and 45,604.45

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Solution

The fourth proportional to 76,199.86, 105,157.29 and 45,604.45 is: 62,935.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,199.86 : 105,157.29 = 45,604.45 : x
  2. Step 2: Convert to fraction form
    76,199.86/105,157.29 = 45,604.45/x
  3. Step 3: Cross multiply
    76,199.86x = 105,157.29 × 45,604.45
  4. Step 4: Simplify right side
    76,199.86x = 4,795,640,373.94
  5. Step 5: Solve for x
    x = 4,795,640,373.94/76,199.86
  6. Step 6: Final answer
    x = 62,935.03

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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.