Finding the Fourth Proportional to 91,177.08, 125,830.71 and 50,898.71
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Solution
The fourth proportional to 91,177.08, 125,830.71 and 50,898.71 is: 70,243.75
Step by Step Solution
- Step 1: Write the proportion equation
91,177.08 : 125,830.71 = 50,898.71 : x - Step 2: Convert to fraction form
91,177.08/125,830.71 = 50,898.71/x - Step 3: Cross multiply
91,177.08x = 125,830.71 × 50,898.71 - Step 4: Simplify right side
91,177.08x = 6,404,620,188.23 - Step 5: Solve for x
x = 6,404,620,188.23/91,177.08 - Step 6: Final answer
x = 70,243.75
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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.