Finding the Fourth Proportional to 75,032.01, 103,529.81 and 42,765.99
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Solution
The fourth proportional to 75,032.01, 103,529.81 and 42,765.99 is: 59,008.88
Step by Step Solution
- Step 1: Write the proportion equation
75,032.01 : 103,529.81 = 42,765.99 : x - Step 2: Convert to fraction form
75,032.01/103,529.81 = 42,765.99/x - Step 3: Cross multiply
75,032.01x = 103,529.81 × 42,765.99 - Step 4: Simplify right side
75,032.01x = 4,427,554,605.33 - Step 5: Solve for x
x = 4,427,554,605.33/75,032.01 - Step 6: Final answer
x = 59,008.88
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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.