Finding the Fourth Proportional to 85,655.62, 118,238.76 and 58,066.62
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Solution
The fourth proportional to 85,655.62, 118,238.76 and 58,066.62 is: 80,154.99
Step by Step Solution
- Step 1: Write the proportion equation
85,655.62 : 118,238.76 = 58,066.62 : x - Step 2: Convert to fraction form
85,655.62/118,238.76 = 58,066.62/x - Step 3: Cross multiply
85,655.62x = 118,238.76 × 58,066.62 - Step 4: Simplify right side
85,655.62x = 6,865,725,146.19 - Step 5: Solve for x
x = 6,865,725,146.19/85,655.62 - Step 6: Final answer
x = 80,154.99
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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.