Finding the Fourth Proportional to 97,766.08, 134,917.12 and 55,323.84
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Solution
The fourth proportional to 97,766.08, 134,917.12 and 55,323.84 is: 76,346.86
Step by Step Solution
- Step 1: Write the proportion equation
97,766.08 : 134,917.12 = 55,323.84 : x - Step 2: Convert to fraction form
97,766.08/134,917.12 = 55,323.84/x - Step 3: Cross multiply
97,766.08x = 134,917.12 × 55,323.84 - Step 4: Simplify right side
97,766.08x = 7,464,133,160.14 - Step 5: Solve for x
x = 7,464,133,160.14/97,766.08 - Step 6: Final answer
x = 76,346.86
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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.