Finding the Fourth Proportional to 79,293.14, 109,427.06 and 43,483.06
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Solution
The fourth proportional to 79,293.14, 109,427.06 and 43,483.06 is: 60,008.02
Step by Step Solution
- Step 1: Write the proportion equation
79,293.14 : 109,427.06 = 43,483.06 : x - Step 2: Convert to fraction form
79,293.14/109,427.06 = 43,483.06/x - Step 3: Cross multiply
79,293.14x = 109,427.06 × 43,483.06 - Step 4: Simplify right side
79,293.14x = 4,758,223,763.68 - Step 5: Solve for x
x = 4,758,223,763.68/79,293.14 - Step 6: Final answer
x = 60,008.02
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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.