Finding the Fourth Proportional to 68,386.60, 102,407.10 and 44,885.80
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Solution
The fourth proportional to 68,386.60, 102,407.10 and 44,885.80 is: 67,215.28
Step by Step Solution
- Step 1: Write the proportion equation
68,386.60 : 102,407.10 = 44,885.80 : x - Step 2: Convert to fraction form
68,386.60/102,407.10 = 44,885.80/x - Step 3: Cross multiply
68,386.60x = 102,407.10 × 44,885.80 - Step 4: Simplify right side
68,386.60x = 4,596,624,609.18 - Step 5: Solve for x
x = 4,596,624,609.18/68,386.60 - Step 6: Final answer
x = 67,215.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.