Finding the Fourth Proportional to 97,961.95, 135,185.99 and 54,941.44
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Solution
The fourth proportional to 97,961.95, 135,185.99 and 54,941.44 is: 75,818.34
Step by Step Solution
- Step 1: Write the proportion equation
97,961.95 : 135,185.99 = 54,941.44 : x - Step 2: Convert to fraction form
97,961.95/135,185.99 = 54,941.44/x - Step 3: Cross multiply
97,961.95x = 135,185.99 × 54,941.44 - Step 4: Simplify right side
97,961.95x = 7,427,312,282.50 - Step 5: Solve for x
x = 7,427,312,282.50/97,961.95 - Step 6: Final answer
x = 75,818.34
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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.