Finding the Fourth Proportional to 112,739.70, 169,125.08 and 37,881.23
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Solution
The fourth proportional to 112,739.70, 169,125.08 and 37,881.23 is: 56,827.07
Step by Step Solution
- Step 1: Write the proportion equation
112,739.70 : 169,125.08 = 37,881.23 : x - Step 2: Convert to fraction form
112,739.70/169,125.08 = 37,881.23/x - Step 3: Cross multiply
112,739.70x = 169,125.08 × 37,881.23 - Step 4: Simplify right side
112,739.70x = 6,406,666,477.06 - Step 5: Solve for x
x = 6,406,666,477.06/112,739.70 - Step 6: Final answer
x = 56,827.07
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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.