Finding the Fourth Proportional to 77,155.97, 115,733.95 and 27,237.69
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Solution
The fourth proportional to 77,155.97, 115,733.95 and 27,237.69 is: 40,856.54
Step by Step Solution
- Step 1: Write the proportion equation
77,155.97 : 115,733.95 = 27,237.69 : x - Step 2: Convert to fraction form
77,155.97/115,733.95 = 27,237.69/x - Step 3: Cross multiply
77,155.97x = 115,733.95 × 27,237.69 - Step 4: Simplify right side
77,155.97x = 3,152,325,384.48 - Step 5: Solve for x
x = 3,152,325,384.48/77,155.97 - Step 6: Final answer
x = 40,856.54
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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.