Finding the Fourth Proportional to 97,159.12, 145,612.44 and 43,811.92
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Solution
The fourth proportional to 97,159.12, 145,612.44 and 43,811.92 is: 65,660.95
Step by Step Solution
- Step 1: Write the proportion equation
97,159.12 : 145,612.44 = 43,811.92 : x - Step 2: Convert to fraction form
97,159.12/145,612.44 = 43,811.92/x - Step 3: Cross multiply
97,159.12x = 145,612.44 × 43,811.92 - Step 4: Simplify right side
97,159.12x = 6,379,560,572.28 - Step 5: Solve for x
x = 6,379,560,572.28/97,159.12 - Step 6: Final answer
x = 65,660.95
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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.