Finding the Fourth Proportional to 97,305.42, 134,281.50 and 54,863.96
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Solution
The fourth proportional to 97,305.42, 134,281.50 and 54,863.96 is: 75,712.28
Step by Step Solution
- Step 1: Write the proportion equation
97,305.42 : 134,281.50 = 54,863.96 : x - Step 2: Convert to fraction form
97,305.42/134,281.50 = 54,863.96/x - Step 3: Cross multiply
97,305.42x = 134,281.50 × 54,863.96 - Step 4: Simplify right side
97,305.42x = 7,367,214,844.74 - Step 5: Solve for x
x = 7,367,214,844.74/97,305.42 - Step 6: Final answer
x = 75,712.28
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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.