Finding the Fourth Proportional to 88,931.56, 133,397.58 and 36,341.05
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Solution
The fourth proportional to 88,931.56, 133,397.58 and 36,341.05 is: 54,511.67
Step by Step Solution
- Step 1: Write the proportion equation
88,931.56 : 133,397.58 = 36,341.05 : x - Step 2: Convert to fraction form
88,931.56/133,397.58 = 36,341.05/x - Step 3: Cross multiply
88,931.56x = 133,397.58 × 36,341.05 - Step 4: Simplify right side
88,931.56x = 4,847,808,124.66 - Step 5: Solve for x
x = 4,847,808,124.66/88,931.56 - Step 6: Final answer
x = 54,511.67
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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.