Finding the Fourth Proportional to 112,053.06, 154,638.99 and 61,752.06
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Solution
The fourth proportional to 112,053.06, 154,638.99 and 61,752.06 is: 85,221.02
Step by Step Solution
- Step 1: Write the proportion equation
112,053.06 : 154,638.99 = 61,752.06 : x - Step 2: Convert to fraction form
112,053.06/154,638.99 = 61,752.06/x - Step 3: Cross multiply
112,053.06x = 154,638.99 × 61,752.06 - Step 4: Simplify right side
112,053.06x = 9,549,276,188.82 - Step 5: Solve for x
x = 9,549,276,188.82/112,053.06 - Step 6: Final answer
x = 85,221.02
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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.