Finding the Fourth Proportional to 77,306.95, 115,954.75 and 24,702.31
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Solution
The fourth proportional to 77,306.95, 115,954.75 and 24,702.31 is: 37,051.64
Step by Step Solution
- Step 1: Write the proportion equation
77,306.95 : 115,954.75 = 24,702.31 : x - Step 2: Convert to fraction form
77,306.95/115,954.75 = 24,702.31/x - Step 3: Cross multiply
77,306.95x = 115,954.75 × 24,702.31 - Step 4: Simplify right side
77,306.95x = 2,864,349,477.19 - Step 5: Solve for x
x = 2,864,349,477.19/77,306.95 - Step 6: Final answer
x = 37,051.64
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1.5x scale
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.