Finding the Fourth Proportional to 73,210.68, 101,030.76 and 39,676.68
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Solution
The fourth proportional to 73,210.68, 101,030.76 and 39,676.68 is: 54,753.83
Step by Step Solution
- Step 1: Write the proportion equation
73,210.68 : 101,030.76 = 39,676.68 : x - Step 2: Convert to fraction form
73,210.68/101,030.76 = 39,676.68/x - Step 3: Cross multiply
73,210.68x = 101,030.76 × 39,676.68 - Step 4: Simplify right side
73,210.68x = 4,008,565,134.68 - Step 5: Solve for x
x = 4,008,565,134.68/73,210.68 - Step 6: Final answer
x = 54,753.83
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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.