Home / 91,007.29-125,605.20-52,789.45

Finding the Fourth Proportional to 91,007.29, 125,605.20 and 52,789.45

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Solution

The fourth proportional to 91,007.29, 125,605.20 and 52,789.45 is: 72,858.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,007.29 : 125,605.20 = 52,789.45 : x
  2. Step 2: Convert to fraction form
    91,007.29/125,605.20 = 52,789.45/x
  3. Step 3: Cross multiply
    91,007.29x = 125,605.20 × 52,789.45
  4. Step 4: Simplify right side
    91,007.29x = 6,630,629,425.14
  5. Step 5: Solve for x
    x = 6,630,629,425.14/91,007.29
  6. Step 6: Final answer
    x = 72,858.22

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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.