Finding the Fourth Proportional to 97,424.10, 134,447.05 and 54,974.44
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Solution
The fourth proportional to 97,424.10, 134,447.05 and 54,974.44 is: 75,865.74
Step by Step Solution
- Step 1: Write the proportion equation
97,424.10 : 134,447.05 = 54,974.44 : x - Step 2: Convert to fraction form
97,424.10/134,447.05 = 54,974.44/x - Step 3: Cross multiply
97,424.10x = 134,447.05 × 54,974.44 - Step 4: Simplify right side
97,424.10x = 7,391,151,283.40 - Step 5: Solve for x
x = 7,391,151,283.40/97,424.10 - Step 6: Final answer
x = 75,865.74
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1.5x scale
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.