Finding the Fourth Proportional to 92,051.29, 138,077.07 and 28,009.99
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Solution
The fourth proportional to 92,051.29, 138,077.07 and 28,009.99 is: 42,015.03
Step by Step Solution
- Step 1: Write the proportion equation
92,051.29 : 138,077.07 = 28,009.99 : x - Step 2: Convert to fraction form
92,051.29/138,077.07 = 28,009.99/x - Step 3: Cross multiply
92,051.29x = 138,077.07 × 28,009.99 - Step 4: Simplify right side
92,051.29x = 3,867,537,349.93 - Step 5: Solve for x
x = 3,867,537,349.93/92,051.29 - Step 6: Final answer
x = 42,015.03
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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.