Finding the Fourth Proportional to 77,305.70, 106,733.04 and 59,368.52
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Solution
The fourth proportional to 77,305.70, 106,733.04 and 59,368.52 is: 81,967.86
Step by Step Solution
- Step 1: Write the proportion equation
77,305.70 : 106,733.04 = 59,368.52 : x - Step 2: Convert to fraction form
77,305.70/106,733.04 = 59,368.52/x - Step 3: Cross multiply
77,305.70x = 106,733.04 × 59,368.52 - Step 4: Simplify right side
77,305.70x = 6,336,582,619.90 - Step 5: Solve for x
x = 6,336,582,619.90/77,305.70 - Step 6: Final answer
x = 81,967.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.