Finding the Fourth Proportional to 99,427.97, 149,069.06 and 46,808.75
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Solution
The fourth proportional to 99,427.97, 149,069.06 and 46,808.75 is: 70,178.81
Step by Step Solution
- Step 1: Write the proportion equation
99,427.97 : 149,069.06 = 46,808.75 : x - Step 2: Convert to fraction form
99,427.97/149,069.06 = 46,808.75/x - Step 3: Cross multiply
99,427.97x = 149,069.06 × 46,808.75 - Step 4: Simplify right side
99,427.97x = 6,977,736,128.23 - Step 5: Solve for x
x = 6,977,736,128.23/99,427.97 - Step 6: Final answer
x = 70,178.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.