Finding the Fourth Proportional to 88,817.28, 133,291.62 and 42,070.26
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Solution
The fourth proportional to 88,817.28, 133,291.62 and 42,070.26 is: 63,136.51
Step by Step Solution
- Step 1: Write the proportion equation
88,817.28 : 133,291.62 = 42,070.26 : x - Step 2: Convert to fraction form
88,817.28/133,291.62 = 42,070.26/x - Step 3: Cross multiply
88,817.28x = 133,291.62 × 42,070.26 - Step 4: Simplify right side
88,817.28x = 5,607,613,109.22 - Step 5: Solve for x
x = 5,607,613,109.22/88,817.28 - Step 6: Final answer
x = 63,136.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.