Finding the Fourth Proportional to 101,565.63, 140,116.33 and 61,256.99
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Solution
The fourth proportional to 101,565.63, 140,116.33 and 61,256.99 is: 84,507.97
Step by Step Solution
- Step 1: Write the proportion equation
101,565.63 : 140,116.33 = 61,256.99 : x - Step 2: Convert to fraction form
101,565.63/140,116.33 = 61,256.99/x - Step 3: Cross multiply
101,565.63x = 140,116.33 × 61,256.99 - Step 4: Simplify right side
101,565.63x = 8,583,105,052.51 - Step 5: Solve for x
x = 8,583,105,052.51/101,565.63 - Step 6: Final answer
x = 84,507.97
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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.