Finding the Fourth Proportional to 73,440.68, 101,347.89 and 41,615.65
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Solution
The fourth proportional to 73,440.68, 101,347.89 and 41,615.65 is: 57,429.45
Step by Step Solution
- Step 1: Write the proportion equation
73,440.68 : 101,347.89 = 41,615.65 : x - Step 2: Convert to fraction form
73,440.68/101,347.89 = 41,615.65/x - Step 3: Cross multiply
73,440.68x = 101,347.89 × 41,615.65 - Step 4: Simplify right side
73,440.68x = 4,217,657,811.74 - Step 5: Solve for x
x = 4,217,657,811.74/73,440.68 - Step 6: Final answer
x = 57,429.45
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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.