Finding the Fourth Proportional to 97,672.05, 136,937.70 and 97,672.05
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Solution
The fourth proportional to 97,672.05, 136,937.70 and 97,672.05 is: 136,937.70
Step by Step Solution
- Step 1: Write the proportion equation
97,672.05 : 136,937.70 = 97,672.05 : x - Step 2: Convert to fraction form
97,672.05/136,937.70 = 97,672.05/x - Step 3: Cross multiply
97,672.05x = 136,937.70 × 97,672.05 - Step 4: Simplify right side
97,672.05x = 13,374,985,881.29 - Step 5: Solve for x
x = 13,374,985,881.29/97,672.05 - Step 6: Final answer
x = 136,937.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.