Finding the Fourth Proportional to 79,807.25, 110,130.64 and 43,507.91
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Solution
The fourth proportional to 79,807.25, 110,130.64 and 43,507.91 is: 60,039.08
Step by Step Solution
- Step 1: Write the proportion equation
79,807.25 : 110,130.64 = 43,507.91 : x - Step 2: Convert to fraction form
79,807.25/110,130.64 = 43,507.91/x - Step 3: Cross multiply
79,807.25x = 110,130.64 × 43,507.91 - Step 4: Simplify right side
79,807.25x = 4,791,554,139.92 - Step 5: Solve for x
x = 4,791,554,139.92/79,807.25 - Step 6: Final answer
x = 60,039.08
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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.