Finding the Fourth Proportional to 97,954.88, 135,154.12 and 62,131.84
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Solution
The fourth proportional to 97,954.88, 135,154.12 and 62,131.84 is: 85,726.96
Step by Step Solution
- Step 1: Write the proportion equation
97,954.88 : 135,154.12 = 62,131.84 : x - Step 2: Convert to fraction form
97,954.88/135,154.12 = 62,131.84/x - Step 3: Cross multiply
97,954.88x = 135,154.12 × 62,131.84 - Step 4: Simplify right side
97,954.88x = 8,397,374,159.18 - Step 5: Solve for x
x = 8,397,374,159.18/97,954.88 - Step 6: Final answer
x = 85,726.96
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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.