Finding the Fourth Proportional to 97,043.64, 133,922.84 and 54,603.68
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Solution
The fourth proportional to 97,043.64, 133,922.84 and 54,603.68 is: 75,354.55
Step by Step Solution
- Step 1: Write the proportion equation
97,043.64 : 133,922.84 = 54,603.68 : x - Step 2: Convert to fraction form
97,043.64/133,922.84 = 54,603.68/x - Step 3: Cross multiply
97,043.64x = 133,922.84 × 54,603.68 - Step 4: Simplify right side
97,043.64x = 7,312,679,900.05 - Step 5: Solve for x
x = 7,312,679,900.05/97,043.64 - Step 6: Final answer
x = 75,354.55
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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.