Finding the Fourth Proportional to 77,058.30, 115,609.05 and 37,616.70
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Solution
The fourth proportional to 77,058.30, 115,609.05 and 37,616.70 is: 56,435.59
Step by Step Solution
- Step 1: Write the proportion equation
77,058.30 : 115,609.05 = 37,616.70 : x - Step 2: Convert to fraction form
77,058.30/115,609.05 = 37,616.70/x - Step 3: Cross multiply
77,058.30x = 115,609.05 × 37,616.70 - Step 4: Simplify right side
77,058.30x = 4,348,830,951.14 - Step 5: Solve for x
x = 4,348,830,951.14/77,058.30 - Step 6: Final answer
x = 56,435.59
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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.