Finding the Fourth Proportional to 97,076.90, 145,555.04 and 40,888.08
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Solution
The fourth proportional to 97,076.90, 145,555.04 and 40,888.08 is: 61,306.72
Step by Step Solution
- Step 1: Write the proportion equation
97,076.90 : 145,555.04 = 40,888.08 : x - Step 2: Convert to fraction form
97,076.90/145,555.04 = 40,888.08/x - Step 3: Cross multiply
97,076.90x = 145,555.04 × 40,888.08 - Step 4: Simplify right side
97,076.90x = 5,951,466,119.92 - Step 5: Solve for x
x = 5,951,466,119.92/97,076.90 - Step 6: Final answer
x = 61,306.72
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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.