Finding the Fourth Proportional to 93,597.36, 129,190.84 and 55,370.18
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Solution
The fourth proportional to 93,597.36, 129,190.84 and 55,370.18 is: 76,426.52
Step by Step Solution
- Step 1: Write the proportion equation
93,597.36 : 129,190.84 = 55,370.18 : x - Step 2: Convert to fraction form
93,597.36/129,190.84 = 55,370.18/x - Step 3: Cross multiply
93,597.36x = 129,190.84 × 55,370.18 - Step 4: Simplify right side
93,597.36x = 7,153,320,065.15 - Step 5: Solve for x
x = 7,153,320,065.15/93,597.36 - Step 6: Final answer
x = 76,426.52
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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.