Finding the Fourth Proportional to 75,069.31, 103,633.12 and 43,232.06
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Solution
The fourth proportional to 75,069.31, 103,633.12 and 43,232.06 is: 59,681.82
Step by Step Solution
- Step 1: Write the proportion equation
75,069.31 : 103,633.12 = 43,232.06 : x - Step 2: Convert to fraction form
75,069.31/103,633.12 = 43,232.06/x - Step 3: Cross multiply
75,069.31x = 103,633.12 × 43,232.06 - Step 4: Simplify right side
75,069.31x = 4,480,273,261.83 - Step 5: Solve for x
x = 4,480,273,261.83/75,069.31 - Step 6: Final answer
x = 59,681.82
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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.