Finding the Fourth Proportional to 98,051.99, 147,080.04 and 27,931.31
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Solution
The fourth proportional to 98,051.99, 147,080.04 and 27,931.31 is: 41,897.54
Step by Step Solution
- Step 1: Write the proportion equation
98,051.99 : 147,080.04 = 27,931.31 : x - Step 2: Convert to fraction form
98,051.99/147,080.04 = 27,931.31/x - Step 3: Cross multiply
98,051.99x = 147,080.04 × 27,931.31 - Step 4: Simplify right side
98,051.99x = 4,108,137,317.00 - Step 5: Solve for x
x = 4,108,137,317.00/98,051.99 - Step 6: Final answer
x = 41,897.54
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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.