Finding the Fourth Proportional to 98,347.97, 135,723.60 and 62,537.20
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Solution
The fourth proportional to 98,347.97, 135,723.60 and 62,537.20 is: 86,303.49
Step by Step Solution
- Step 1: Write the proportion equation
98,347.97 : 135,723.60 = 62,537.20 : x - Step 2: Convert to fraction form
98,347.97/135,723.60 = 62,537.20/x - Step 3: Cross multiply
98,347.97x = 135,723.60 × 62,537.20 - Step 4: Simplify right side
98,347.97x = 8,487,773,578.61 - Step 5: Solve for x
x = 8,487,773,578.61/98,347.97 - Step 6: Final answer
x = 86,303.49
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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.