Finding the Fourth Proportional to 77,557.10, 116,368.77 and 37,605.62
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Solution
The fourth proportional to 77,557.10, 116,368.77 and 37,605.62 is: 56,424.49
Step by Step Solution
- Step 1: Write the proportion equation
77,557.10 : 116,368.77 = 37,605.62 : x - Step 2: Convert to fraction form
77,557.10/116,368.77 = 37,605.62/x - Step 3: Cross multiply
77,557.10x = 116,368.77 × 37,605.62 - Step 4: Simplify right side
77,557.10x = 4,376,119,162.64 - Step 5: Solve for x
x = 4,376,119,162.64/77,557.10 - Step 6: Final answer
x = 56,424.49
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1.5x scale
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.