Home / 91,628.36-137,495.40-49,508.56

Finding the Fourth Proportional to 91,628.36, 137,495.40 and 49,508.56

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Solution

The fourth proportional to 91,628.36, 137,495.40 and 49,508.56 is: 74,291.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,628.36 : 137,495.40 = 49,508.56 : x
  2. Step 2: Convert to fraction form
    91,628.36/137,495.40 = 49,508.56/x
  3. Step 3: Cross multiply
    91,628.36x = 137,495.40 × 49,508.56
  4. Step 4: Simplify right side
    91,628.36x = 6,807,199,260.62
  5. Step 5: Solve for x
    x = 6,807,199,260.62/91,628.36
  6. Step 6: Final answer
    x = 74,291.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.