Finding the Fourth Proportional to 70,292.00, 105,158.10 and 61,040.99
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Solution
The fourth proportional to 70,292.00, 105,158.10 and 61,040.99 is: 91,318.42
Step by Step Solution
- Step 1: Write the proportion equation
70,292.00 : 105,158.10 = 61,040.99 : x - Step 2: Convert to fraction form
70,292.00/105,158.10 = 61,040.99/x - Step 3: Cross multiply
70,292.00x = 105,158.10 × 61,040.99 - Step 4: Simplify right side
70,292.00x = 6,418,954,678.96 - Step 5: Solve for x
x = 6,418,954,678.96/70,292.00 - Step 6: Final answer
x = 91,318.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.