Home / 91,055.32-125,656.98-50,771.72

Finding the Fourth Proportional to 91,055.32, 125,656.98 and 50,771.72

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Solution

The fourth proportional to 91,055.32, 125,656.98 and 50,771.72 is: 70,065.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,055.32 : 125,656.98 = 50,771.72 : x
  2. Step 2: Convert to fraction form
    91,055.32/125,656.98 = 50,771.72/x
  3. Step 3: Cross multiply
    91,055.32x = 125,656.98 × 50,771.72
  4. Step 4: Simplify right side
    91,055.32x = 6,379,821,004.61
  5. Step 5: Solve for x
    x = 6,379,821,004.61/91,055.32
  6. Step 6: Final answer
    x = 70,065.33

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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.