Finding the Fourth Proportional to 93,854.76, 129,528.68 and 53,574.48
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Solution
The fourth proportional to 93,854.76, 129,528.68 and 53,574.48 is: 73,937.98
Step by Step Solution
- Step 1: Write the proportion equation
93,854.76 : 129,528.68 = 53,574.48 : x - Step 2: Convert to fraction form
93,854.76/129,528.68 = 53,574.48/x - Step 3: Cross multiply
93,854.76x = 129,528.68 × 53,574.48 - Step 4: Simplify right side
93,854.76x = 6,939,431,676.09 - Step 5: Solve for x
x = 6,939,431,676.09/93,854.76 - Step 6: Final answer
x = 73,937.98
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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.