Finding the Fourth Proportional to 88,030.32, 121,313.88 and 62,836.08
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Solution
The fourth proportional to 88,030.32, 121,313.88 and 62,836.08 is: 86,593.90
Step by Step Solution
- Step 1: Write the proportion equation
88,030.32 : 121,313.88 = 62,836.08 : x - Step 2: Convert to fraction form
88,030.32/121,313.88 = 62,836.08/x - Step 3: Cross multiply
88,030.32x = 121,313.88 × 62,836.08 - Step 4: Simplify right side
88,030.32x = 7,622,888,668.79 - Step 5: Solve for x
x = 7,622,888,668.79/88,030.32 - Step 6: Final answer
x = 86,593.90
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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.