Finding the Fourth Proportional to 77,710.83, 107,237.82 and 43,719.99
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Solution
The fourth proportional to 77,710.83, 107,237.82 and 43,719.99 is: 60,331.83
Step by Step Solution
- Step 1: Write the proportion equation
77,710.83 : 107,237.82 = 43,719.99 : x - Step 2: Convert to fraction form
77,710.83/107,237.82 = 43,719.99/x - Step 3: Cross multiply
77,710.83x = 107,237.82 × 43,719.99 - Step 4: Simplify right side
77,710.83x = 4,688,436,418.02 - Step 5: Solve for x
x = 4,688,436,418.02/77,710.83 - Step 6: Final answer
x = 60,331.83
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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.