Finding the Fourth Proportional to 75,730.80, 113,470.58 and 46,058.88
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Solution
The fourth proportional to 75,730.80, 113,470.58 and 46,058.88 is: 69,011.92
Step by Step Solution
- Step 1: Write the proportion equation
75,730.80 : 113,470.58 = 46,058.88 : x - Step 2: Convert to fraction form
75,730.80/113,470.58 = 46,058.88/x - Step 3: Cross multiply
75,730.80x = 113,470.58 × 46,058.88 - Step 4: Simplify right side
75,730.80x = 5,226,327,827.75 - Step 5: Solve for x
x = 5,226,327,827.75/75,730.80 - Step 6: Final answer
x = 69,011.92
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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.