Finding the Fourth Proportional to 97,773.18, 134,933.67 and 55,331.70
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Solution
The fourth proportional to 97,773.18, 134,933.67 and 55,331.70 is: 76,361.53
Step by Step Solution
- Step 1: Write the proportion equation
97,773.18 : 134,933.67 = 55,331.70 : x - Step 2: Convert to fraction form
97,773.18/134,933.67 = 55,331.70/x - Step 3: Cross multiply
97,773.18x = 134,933.67 × 55,331.70 - Step 4: Simplify right side
97,773.18x = 7,466,109,348.34 - Step 5: Solve for x
x = 7,466,109,348.34/97,773.18 - Step 6: Final answer
x = 76,361.53
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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.