Finding the Fourth Proportional to 97,051.68, 145,613.12 and 40,905.92
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Solution
The fourth proportional to 97,051.68, 145,613.12 and 40,905.92 is: 61,373.88
Step by Step Solution
- Step 1: Write the proportion equation
97,051.68 : 145,613.12 = 40,905.92 : x - Step 2: Convert to fraction form
97,051.68/145,613.12 = 40,905.92/x - Step 3: Cross multiply
97,051.68x = 145,613.12 × 40,905.92 - Step 4: Simplify right side
97,051.68x = 5,956,438,637.67 - Step 5: Solve for x
x = 5,956,438,637.67/97,051.68 - Step 6: Final answer
x = 61,373.88
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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.