Finding the Fourth Proportional to 97,642.29, 134,737.97 and 56,813.97
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Solution
The fourth proportional to 97,642.29, 134,737.97 and 56,813.97 is: 78,398.40
Step by Step Solution
- Step 1: Write the proportion equation
97,642.29 : 134,737.97 = 56,813.97 : x - Step 2: Convert to fraction form
97,642.29/134,737.97 = 56,813.97/x - Step 3: Cross multiply
97,642.29x = 134,737.97 × 56,813.97 - Step 4: Simplify right side
97,642.29x = 7,654,998,985.44 - Step 5: Solve for x
x = 7,654,998,985.44/97,642.29 - Step 6: Final answer
x = 78,398.40
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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.