Finding the Fourth Proportional to 74,430.94, 111,516.41 and 62,030.65
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Solution
The fourth proportional to 74,430.94, 111,516.41 and 62,030.65 is: 92,937.63
Step by Step Solution
- Step 1: Write the proportion equation
74,430.94 : 111,516.41 = 62,030.65 : x - Step 2: Convert to fraction form
74,430.94/111,516.41 = 62,030.65/x - Step 3: Cross multiply
74,430.94x = 111,516.41 × 62,030.65 - Step 4: Simplify right side
74,430.94x = 6,917,435,599.22 - Step 5: Solve for x
x = 6,917,435,599.22/74,430.94 - Step 6: Final answer
x = 92,937.63
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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.