Finding the Fourth Proportional to 101,129.06, 139,585.84 and 58,701.26
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Solution
The fourth proportional to 101,129.06, 139,585.84 and 58,701.26 is: 81,023.84
Step by Step Solution
- Step 1: Write the proportion equation
101,129.06 : 139,585.84 = 58,701.26 : x - Step 2: Convert to fraction form
101,129.06/139,585.84 = 58,701.26/x - Step 3: Cross multiply
101,129.06x = 139,585.84 × 58,701.26 - Step 4: Simplify right side
101,129.06x = 8,193,864,686.16 - Step 5: Solve for x
x = 8,193,864,686.16/101,129.06 - Step 6: Final answer
x = 81,023.84
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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.