Finding the Fourth Proportional to 69,822.66, 104,718.21 and 19,901.68
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Solution
The fourth proportional to 69,822.66, 104,718.21 and 19,901.68 is: 29,848.02
Step by Step Solution
- Step 1: Write the proportion equation
69,822.66 : 104,718.21 = 19,901.68 : x - Step 2: Convert to fraction form
69,822.66/104,718.21 = 19,901.68/x - Step 3: Cross multiply
69,822.66x = 104,718.21 × 19,901.68 - Step 4: Simplify right side
69,822.66x = 2,084,068,305.59 - Step 5: Solve for x
x = 2,084,068,305.59/69,822.66 - Step 6: Final answer
x = 29,848.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.