Finding the Fourth Proportional to 77,100.68, 115,649.58 and 24,513.32
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Solution
The fourth proportional to 77,100.68, 115,649.58 and 24,513.32 is: 36,769.52
Step by Step Solution
- Step 1: Write the proportion equation
77,100.68 : 115,649.58 = 24,513.32 : x - Step 2: Convert to fraction form
77,100.68/115,649.58 = 24,513.32/x - Step 3: Cross multiply
77,100.68x = 115,649.58 × 24,513.32 - Step 4: Simplify right side
77,100.68x = 2,834,955,162.41 - Step 5: Solve for x
x = 2,834,955,162.41/77,100.68 - Step 6: Final answer
x = 36,769.52
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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.