Finding the Fourth Proportional to 101,633.91, 140,265.18 and 58,615.08
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Solution
The fourth proportional to 101,633.91, 140,265.18 and 58,615.08 is: 80,894.80
Step by Step Solution
- Step 1: Write the proportion equation
101,633.91 : 140,265.18 = 58,615.08 : x - Step 2: Convert to fraction form
101,633.91/140,265.18 = 58,615.08/x - Step 3: Cross multiply
101,633.91x = 140,265.18 × 58,615.08 - Step 4: Simplify right side
101,633.91x = 8,221,654,746.91 - Step 5: Solve for x
x = 8,221,654,746.91/101,633.91 - Step 6: Final answer
x = 80,894.80
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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.