Finding the Fourth Proportional to 96,913.08, 145,331.58 and 40,780.08
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Solution
The fourth proportional to 96,913.08, 145,331.58 and 40,780.08 is: 61,154.11
Step by Step Solution
- Step 1: Write the proportion equation
96,913.08 : 145,331.58 = 40,780.08 : x - Step 2: Convert to fraction form
96,913.08/145,331.58 = 40,780.08/x - Step 3: Cross multiply
96,913.08x = 145,331.58 × 40,780.08 - Step 4: Simplify right side
96,913.08x = 5,926,633,458.93 - Step 5: Solve for x
x = 5,926,633,458.93/96,913.08 - Step 6: Final answer
x = 61,154.11
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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.