Finding the Fourth Proportional to 103,838.73, 143,297.35 and 56,092.06
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Solution
The fourth proportional to 103,838.73, 143,297.35 and 56,092.06 is: 77,406.99
Step by Step Solution
- Step 1: Write the proportion equation
103,838.73 : 143,297.35 = 56,092.06 : x - Step 2: Convert to fraction form
103,838.73/143,297.35 = 56,092.06/x - Step 3: Cross multiply
103,838.73x = 143,297.35 × 56,092.06 - Step 4: Simplify right side
103,838.73x = 8,037,843,554.04 - Step 5: Solve for x
x = 8,037,843,554.04/103,838.73 - Step 6: Final answer
x = 77,406.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.