Finding the Fourth Proportional to 98,342.52, 135,734.16 and 62,525.53
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Solution
The fourth proportional to 98,342.52, 135,734.16 and 62,525.53 is: 86,298.89
Step by Step Solution
- Step 1: Write the proportion equation
98,342.52 : 135,734.16 = 62,525.53 : x - Step 2: Convert to fraction form
98,342.52/135,734.16 = 62,525.53/x - Step 3: Cross multiply
98,342.52x = 135,734.16 × 62,525.53 - Step 4: Simplify right side
98,342.52x = 8,486,850,293.10 - Step 5: Solve for x
x = 8,486,850,293.10/98,342.52 - Step 6: Final answer
x = 86,298.89
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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.