Finding the Fourth Proportional to 97,159.68, 145,743.36 and 27,045.12
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Solution
The fourth proportional to 97,159.68, 145,743.36 and 27,045.12 is: 40,568.75
Step by Step Solution
- Step 1: Write the proportion equation
97,159.68 : 145,743.36 = 27,045.12 : x - Step 2: Convert to fraction form
97,159.68/145,743.36 = 27,045.12/x - Step 3: Cross multiply
97,159.68x = 145,743.36 × 27,045.12 - Step 4: Simplify right side
97,159.68x = 3,941,646,660.40 - Step 5: Solve for x
x = 3,941,646,660.40/97,159.68 - Step 6: Final answer
x = 40,568.75
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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.