Finding the Fourth Proportional to 75,217.14, 103,739.86 and 63,924.02
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Solution
The fourth proportional to 75,217.14, 103,739.86 and 63,924.02 is: 88,164.32
Step by Step Solution
- Step 1: Write the proportion equation
75,217.14 : 103,739.86 = 63,924.02 : x - Step 2: Convert to fraction form
75,217.14/103,739.86 = 63,924.02/x - Step 3: Cross multiply
75,217.14x = 103,739.86 × 63,924.02 - Step 4: Simplify right side
75,217.14x = 6,631,468,206.93 - Step 5: Solve for x
x = 6,631,468,206.93/75,217.14 - Step 6: Final answer
x = 88,164.32
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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.