Finding the Fourth Proportional to 69,948.66, 104,884.11 and 28,347.06
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Solution
The fourth proportional to 69,948.66, 104,884.11 and 28,347.06 is: 42,504.83
Step by Step Solution
- Step 1: Write the proportion equation
69,948.66 : 104,884.11 = 28,347.06 : x - Step 2: Convert to fraction form
69,948.66/104,884.11 = 28,347.06/x - Step 3: Cross multiply
69,948.66x = 104,884.11 × 28,347.06 - Step 4: Simplify right side
69,948.66x = 2,973,156,159.22 - Step 5: Solve for x
x = 2,973,156,159.22/69,948.66 - Step 6: Final answer
x = 42,504.83
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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.