Finding the Fourth Proportional to 76,948.55, 106,186.24 and 48,283.65
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Solution
The fourth proportional to 76,948.55, 106,186.24 and 48,283.65 is: 66,629.71
Step by Step Solution
- Step 1: Write the proportion equation
76,948.55 : 106,186.24 = 48,283.65 : x - Step 2: Convert to fraction form
76,948.55/106,186.24 = 48,283.65/x - Step 3: Cross multiply
76,948.55x = 106,186.24 × 48,283.65 - Step 4: Simplify right side
76,948.55x = 5,127,059,246.98 - Step 5: Solve for x
x = 5,127,059,246.98/76,948.55 - Step 6: Final answer
x = 66,629.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.