Finding the Fourth Proportional to 89,008.53, 133,512.45 and 36,417.99
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Solution
The fourth proportional to 89,008.53, 133,512.45 and 36,417.99 is: 54,626.85
Step by Step Solution
- Step 1: Write the proportion equation
89,008.53 : 133,512.45 = 36,417.99 : x - Step 2: Convert to fraction form
89,008.53/133,512.45 = 36,417.99/x - Step 3: Cross multiply
89,008.53x = 133,512.45 × 36,417.99 - Step 4: Simplify right side
89,008.53x = 4,862,255,569.65 - Step 5: Solve for x
x = 4,862,255,569.65/89,008.53 - Step 6: Final answer
x = 54,626.85
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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.