Finding the Fourth Proportional to 97,881.40, 135,064.02 and 62,072.92
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Solution
The fourth proportional to 97,881.40, 135,064.02 and 62,072.92 is: 85,652.82
Step by Step Solution
- Step 1: Write the proportion equation
97,881.40 : 135,064.02 = 62,072.92 : x - Step 2: Convert to fraction form
97,881.40/135,064.02 = 62,072.92/x - Step 3: Cross multiply
97,881.40x = 135,064.02 × 62,072.92 - Step 4: Simplify right side
97,881.40x = 8,383,818,108.34 - Step 5: Solve for x
x = 8,383,818,108.34/97,881.40 - Step 6: Final answer
x = 85,652.82
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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.