Finding the Fourth Proportional to 97,323.28, 134,283.14 and 54,873.60
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Solution
The fourth proportional to 97,323.28, 134,283.14 and 54,873.60 is: 75,712.61
Step by Step Solution
- Step 1: Write the proportion equation
97,323.28 : 134,283.14 = 54,873.60 : x - Step 2: Convert to fraction form
97,323.28/134,283.14 = 54,873.60/x - Step 3: Cross multiply
97,323.28x = 134,283.14 × 54,873.60 - Step 4: Simplify right side
97,323.28x = 7,368,599,311.10 - Step 5: Solve for x
x = 7,368,599,311.10/97,323.28 - Step 6: Final answer
x = 75,712.61
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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.