Finding the Fourth Proportional to 97,746.77, 134,890.85 and 54,728.08
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Solution
The fourth proportional to 97,746.77, 134,890.85 and 54,728.08 is: 75,524.92
Step by Step Solution
- Step 1: Write the proportion equation
97,746.77 : 134,890.85 = 54,728.08 : x - Step 2: Convert to fraction form
97,746.77/134,890.85 = 54,728.08/x - Step 3: Cross multiply
97,746.77x = 134,890.85 × 54,728.08 - Step 4: Simplify right side
97,746.77x = 7,382,317,029.66 - Step 5: Solve for x
x = 7,382,317,029.66/97,746.77 - Step 6: Final answer
x = 75,524.92
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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.