Finding the Fourth Proportional to 88,316.08, 121,873.58 and 50,079.12
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Solution
The fourth proportional to 88,316.08, 121,873.58 and 50,079.12 is: 69,107.70
Step by Step Solution
- Step 1: Write the proportion equation
88,316.08 : 121,873.58 = 50,079.12 : x - Step 2: Convert to fraction form
88,316.08/121,873.58 = 50,079.12/x - Step 3: Cross multiply
88,316.08x = 121,873.58 × 50,079.12 - Step 4: Simplify right side
88,316.08x = 6,103,321,309.35 - Step 5: Solve for x
x = 6,103,321,309.35/88,316.08 - Step 6: Final answer
x = 69,107.70
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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.