Finding the Fourth Proportional to 96,395.40, 133,030.62 and 53,374.68
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Solution
The fourth proportional to 96,395.40, 133,030.62 and 53,374.68 is: 73,659.81
Step by Step Solution
- Step 1: Write the proportion equation
96,395.40 : 133,030.62 = 53,374.68 : x - Step 2: Convert to fraction form
96,395.40/133,030.62 = 53,374.68/x - Step 3: Cross multiply
96,395.40x = 133,030.62 × 53,374.68 - Step 4: Simplify right side
96,395.40x = 7,100,466,772.70 - Step 5: Solve for x
x = 7,100,466,772.70/96,395.40 - Step 6: Final answer
x = 73,659.81
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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.