Finding the Fourth Proportional to 93,869.37, 129,513.74 and 53,568.63
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Solution
The fourth proportional to 93,869.37, 129,513.74 and 53,568.63 is: 73,909.87
Step by Step Solution
- Step 1: Write the proportion equation
93,869.37 : 129,513.74 = 53,568.63 : x - Step 2: Convert to fraction form
93,869.37/129,513.74 = 53,568.63/x - Step 3: Cross multiply
93,869.37x = 129,513.74 × 53,568.63 - Step 4: Simplify right side
93,869.37x = 6,937,873,350.13 - Step 5: Solve for x
x = 6,937,873,350.13/93,869.37 - Step 6: Final answer
x = 73,909.87
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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.