Finding the Fourth Proportional to 77,309.04, 115,961.73 and 24,718.98
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Solution
The fourth proportional to 77,309.04, 115,961.73 and 24,718.98 is: 37,077.88
Step by Step Solution
- Step 1: Write the proportion equation
77,309.04 : 115,961.73 = 24,718.98 : x - Step 2: Convert to fraction form
77,309.04/115,961.73 = 24,718.98/x - Step 3: Cross multiply
77,309.04x = 115,961.73 × 24,718.98 - Step 4: Simplify right side
77,309.04x = 2,866,455,684.64 - Step 5: Solve for x
x = 2,866,455,684.64/77,309.04 - Step 6: Final answer
x = 37,077.88
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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.