Finding the Fourth Proportional to 93,675.64, 129,274.59 and 53,393.14
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Solution
The fourth proportional to 93,675.64, 129,274.59 and 53,393.14 is: 73,683.79
Step by Step Solution
- Step 1: Write the proportion equation
93,675.64 : 129,274.59 = 53,393.14 : x - Step 2: Convert to fraction form
93,675.64/129,274.59 = 53,393.14/x - Step 3: Cross multiply
93,675.64x = 129,274.59 × 53,393.14 - Step 4: Simplify right side
93,675.64x = 6,902,376,282.31 - Step 5: Solve for x
x = 6,902,376,282.31/93,675.64 - Step 6: Final answer
x = 73,683.79
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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.