Finding the Fourth Proportional to 85,971.94, 118,652.21 and 48,246.19
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Solution
The fourth proportional to 85,971.94, 118,652.21 and 48,246.19 is: 66,585.88
Step by Step Solution
- Step 1: Write the proportion equation
85,971.94 : 118,652.21 = 48,246.19 : x - Step 2: Convert to fraction form
85,971.94/118,652.21 = 48,246.19/x - Step 3: Cross multiply
85,971.94x = 118,652.21 × 48,246.19 - Step 4: Simplify right side
85,971.94x = 5,724,516,710.64 - Step 5: Solve for x
x = 5,724,516,710.64/85,971.94 - Step 6: Final answer
x = 66,585.88
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1.5x scale
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.