Finding the Fourth Proportional to 86,916.24, 119,934.50 and 48,670.47
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Solution
The fourth proportional to 86,916.24, 119,934.50 and 48,670.47 is: 67,159.70
Step by Step Solution
- Step 1: Write the proportion equation
86,916.24 : 119,934.50 = 48,670.47 : x - Step 2: Convert to fraction form
86,916.24/119,934.50 = 48,670.47/x - Step 3: Cross multiply
86,916.24x = 119,934.50 × 48,670.47 - Step 4: Simplify right side
86,916.24x = 5,837,268,484.22 - Step 5: Solve for x
x = 5,837,268,484.22/86,916.24 - Step 6: Final answer
x = 67,159.70
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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.