Finding the Fourth Proportional to 110,696.99, 152,761.05 and 62,950.32
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Solution
The fourth proportional to 110,696.99, 152,761.05 and 62,950.32 is: 86,870.99
Step by Step Solution
- Step 1: Write the proportion equation
110,696.99 : 152,761.05 = 62,950.32 : x - Step 2: Convert to fraction form
110,696.99/152,761.05 = 62,950.32/x - Step 3: Cross multiply
110,696.99x = 152,761.05 × 62,950.32 - Step 4: Simplify right side
110,696.99x = 9,616,356,981.04 - Step 5: Solve for x
x = 9,616,356,981.04/110,696.99 - Step 6: Final answer
x = 86,870.99
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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.