Finding the Fourth Proportional to 97,161.98, 134,083.78 and 56,334.02
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Solution
The fourth proportional to 97,161.98, 134,083.78 and 56,334.02 is: 77,741.09
Step by Step Solution
- Step 1: Write the proportion equation
97,161.98 : 134,083.78 = 56,334.02 : x - Step 2: Convert to fraction form
97,161.98/134,083.78 = 56,334.02/x - Step 3: Cross multiply
97,161.98x = 134,083.78 × 56,334.02 - Step 4: Simplify right side
97,161.98x = 7,553,477,532.94 - Step 5: Solve for x
x = 7,553,477,532.94/97,161.98 - Step 6: Final answer
x = 77,741.09
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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.