Finding the Fourth Proportional to 85,132.53, 117,378.80 and 53,246.07
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Solution
The fourth proportional to 85,132.53, 117,378.80 and 53,246.07 is: 73,414.47
Step by Step Solution
- Step 1: Write the proportion equation
85,132.53 : 117,378.80 = 53,246.07 : x - Step 2: Convert to fraction form
85,132.53/117,378.80 = 53,246.07/x - Step 3: Cross multiply
85,132.53x = 117,378.80 × 53,246.07 - Step 4: Simplify right side
85,132.53x = 6,249,959,535.09 - Step 5: Solve for x
x = 6,249,959,535.09/85,132.53 - Step 6: Final answer
x = 73,414.47
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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.