Finding the Fourth Proportional to 97,883.68, 135,056.34 and 57,599.20
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Solution
The fourth proportional to 97,883.68, 135,056.34 and 57,599.20 is: 79,473.28
Step by Step Solution
- Step 1: Write the proportion equation
97,883.68 : 135,056.34 = 57,599.20 : x - Step 2: Convert to fraction form
97,883.68/135,056.34 = 57,599.20/x - Step 3: Cross multiply
97,883.68x = 135,056.34 × 57,599.20 - Step 4: Simplify right side
97,883.68x = 7,779,137,138.93 - Step 5: Solve for x
x = 7,779,137,138.93/97,883.68 - Step 6: Final answer
x = 79,473.28
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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.