Finding the Fourth Proportional to 68,320.80, 101,802.00 and 60,867.99
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Solution
The fourth proportional to 68,320.80, 101,802.00 and 60,867.99 is: 90,696.87
Step by Step Solution
- Step 1: Write the proportion equation
68,320.80 : 101,802.00 = 60,867.99 : x - Step 2: Convert to fraction form
68,320.80/101,802.00 = 60,867.99/x - Step 3: Cross multiply
68,320.80x = 101,802.00 × 60,867.99 - Step 4: Simplify right side
68,320.80x = 6,196,482,304.63 - Step 5: Solve for x
x = 6,196,482,304.63/68,320.80 - Step 6: Final answer
x = 90,696.87
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.