Finding the Fourth Proportional to 97,132.80, 134,053.92 and 61,320.96
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Solution
The fourth proportional to 97,132.80, 134,053.92 and 61,320.96 is: 84,629.65
Step by Step Solution
- Step 1: Write the proportion equation
97,132.80 : 134,053.92 = 61,320.96 : x - Step 2: Convert to fraction form
97,132.80/134,053.92 = 61,320.96/x - Step 3: Cross multiply
97,132.80x = 134,053.92 × 61,320.96 - Step 4: Simplify right side
97,132.80x = 8,220,315,066.16 - Step 5: Solve for x
x = 8,220,315,066.16/97,132.80 - Step 6: Final answer
x = 84,629.65
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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.