Finding the Fourth Proportional to 88,909.35, 133,336.26 and 29,731.20
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Solution
The fourth proportional to 88,909.35, 133,336.26 and 29,731.20 is: 44,587.52
Step by Step Solution
- Step 1: Write the proportion equation
88,909.35 : 133,336.26 = 29,731.20 : x - Step 2: Convert to fraction form
88,909.35/133,336.26 = 29,731.20/x - Step 3: Cross multiply
88,909.35x = 133,336.26 × 29,731.20 - Step 4: Simplify right side
88,909.35x = 3,964,247,013.31 - Step 5: Solve for x
x = 3,964,247,013.31/88,909.35 - Step 6: Final answer
x = 44,587.52
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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.