Finding the Fourth Proportional to 84,688.08, 127,032.12 and 22,359.12
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Solution
The fourth proportional to 84,688.08, 127,032.12 and 22,359.12 is: 33,538.68
Step by Step Solution
- Step 1: Write the proportion equation
84,688.08 : 127,032.12 = 22,359.12 : x - Step 2: Convert to fraction form
84,688.08/127,032.12 = 22,359.12/x - Step 3: Cross multiply
84,688.08x = 127,032.12 × 22,359.12 - Step 4: Simplify right side
84,688.08x = 2,840,326,414.93 - Step 5: Solve for x
x = 2,840,326,414.93/84,688.08 - Step 6: Final answer
x = 33,538.68
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1.5x scale
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.