Finding the Fourth Proportional to 93,753.40, 129,364.14 and 53,470.09
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Solution
The fourth proportional to 93,753.40, 129,364.14 and 53,470.09 is: 73,779.85
Step by Step Solution
- Step 1: Write the proportion equation
93,753.40 : 129,364.14 = 53,470.09 : x - Step 2: Convert to fraction form
93,753.40/129,364.14 = 53,470.09/x - Step 3: Cross multiply
93,753.40x = 129,364.14 × 53,470.09 - Step 4: Simplify right side
93,753.40x = 6,917,112,208.57 - Step 5: Solve for x
x = 6,917,112,208.57/93,753.40 - Step 6: Final answer
x = 73,779.85
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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.