Finding the Fourth Proportional to 73,904.68, 101,988.30 and 40,370.68
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Solution
The fourth proportional to 73,904.68, 101,988.30 and 40,370.68 is: 55,711.45
Step by Step Solution
- Step 1: Write the proportion equation
73,904.68 : 101,988.30 = 40,370.68 : x - Step 2: Convert to fraction form
73,904.68/101,988.30 = 40,370.68/x - Step 3: Cross multiply
73,904.68x = 101,988.30 × 40,370.68 - Step 4: Simplify right side
73,904.68x = 4,117,337,023.04 - Step 5: Solve for x
x = 4,117,337,023.04/73,904.68 - Step 6: Final answer
x = 55,711.45
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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.