Finding the Fourth Proportional to 75,417.03, 104,052.09 and 43,574.31
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Solution
The fourth proportional to 75,417.03, 104,052.09 and 43,574.31 is: 60,119.02
Step by Step Solution
- Step 1: Write the proportion equation
75,417.03 : 104,052.09 = 43,574.31 : x - Step 2: Convert to fraction form
75,417.03/104,052.09 = 43,574.31/x - Step 3: Cross multiply
75,417.03x = 104,052.09 × 43,574.31 - Step 4: Simplify right side
75,417.03x = 4,533,998,025.81 - Step 5: Solve for x
x = 4,533,998,025.81/75,417.03 - Step 6: Final answer
x = 60,119.02
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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.