Finding the Fourth Proportional to 91,169.24, 125,829.60 and 58,943.48
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Solution
The fourth proportional to 91,169.24, 125,829.60 and 58,943.48 is: 81,352.38
Step by Step Solution
- Step 1: Write the proportion equation
91,169.24 : 125,829.60 = 58,943.48 : x - Step 2: Convert to fraction form
91,169.24/125,829.60 = 58,943.48/x - Step 3: Cross multiply
91,169.24x = 125,829.60 × 58,943.48 - Step 4: Simplify right side
91,169.24x = 7,416,834,511.01 - Step 5: Solve for x
x = 7,416,834,511.01/91,169.24 - Step 6: Final answer
x = 81,352.38
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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.