Finding the Fourth Proportional to 104,059.41, 143,602.35 and 56,312.75
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Solution
The fourth proportional to 104,059.41, 143,602.35 and 56,312.75 is: 77,711.79
Step by Step Solution
- Step 1: Write the proportion equation
104,059.41 : 143,602.35 = 56,312.75 : x - Step 2: Convert to fraction form
104,059.41/143,602.35 = 56,312.75/x - Step 3: Cross multiply
104,059.41x = 143,602.35 × 56,312.75 - Step 4: Simplify right side
104,059.41x = 8,086,643,234.96 - Step 5: Solve for x
x = 8,086,643,234.96/104,059.41 - Step 6: Final answer
x = 77,711.79
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1.5x scale
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.