Finding the Fourth Proportional to 96,581.22, 133,258.95 and 56,272.08
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Solution
The fourth proportional to 96,581.22, 133,258.95 and 56,272.08 is: 77,641.99
Step by Step Solution
- Step 1: Write the proportion equation
96,581.22 : 133,258.95 = 56,272.08 : x - Step 2: Convert to fraction form
96,581.22/133,258.95 = 56,272.08/x - Step 3: Cross multiply
96,581.22x = 133,258.95 × 56,272.08 - Step 4: Simplify right side
96,581.22x = 7,498,758,295.12 - Step 5: Solve for x
x = 7,498,758,295.12/96,581.22 - Step 6: Final answer
x = 77,641.99
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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.