Finding the Fourth Proportional to 88,115.32, 121,599.25 and 47,829.08
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Solution
The fourth proportional to 88,115.32, 121,599.25 and 47,829.08 is: 66,004.19
Step by Step Solution
- Step 1: Write the proportion equation
88,115.32 : 121,599.25 = 47,829.08 : x - Step 2: Convert to fraction form
88,115.32/121,599.25 = 47,829.08/x - Step 3: Cross multiply
88,115.32x = 121,599.25 × 47,829.08 - Step 4: Simplify right side
88,115.32x = 5,815,980,256.19 - Step 5: Solve for x
x = 5,815,980,256.19/88,115.32 - Step 6: Final answer
x = 66,004.19
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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.