Finding the Fourth Proportional to 93,884.38, 129,539.36 and 53,585.26
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Solution
The fourth proportional to 93,884.38, 129,539.36 and 53,585.26 is: 73,935.62
Step by Step Solution
- Step 1: Write the proportion equation
93,884.38 : 129,539.36 = 53,585.26 : x - Step 2: Convert to fraction form
93,884.38/129,539.36 = 53,585.26/x - Step 3: Cross multiply
93,884.38x = 129,539.36 × 53,585.26 - Step 4: Simplify right side
93,884.38x = 6,941,400,285.83 - Step 5: Solve for x
x = 6,941,400,285.83/93,884.38 - Step 6: Final answer
x = 73,935.62
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1.5x scale
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.