Finding the Fourth Proportional to 97,036.68, 145,590.62 and 40,890.92
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Solution
The fourth proportional to 97,036.68, 145,590.62 and 40,890.92 is: 61,351.38
Step by Step Solution
- Step 1: Write the proportion equation
97,036.68 : 145,590.62 = 40,890.92 : x - Step 2: Convert to fraction form
97,036.68/145,590.62 = 40,890.92/x - Step 3: Cross multiply
97,036.68x = 145,590.62 × 40,890.92 - Step 4: Simplify right side
97,036.68x = 5,953,334,395.17 - Step 5: Solve for x
x = 5,953,334,395.17/97,036.68 - Step 6: Final answer
x = 61,351.38
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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.