Finding the Fourth Proportional to 70,040.12, 105,061.08 and 23,292.99
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Solution
The fourth proportional to 70,040.12, 105,061.08 and 23,292.99 is: 34,939.79
Step by Step Solution
- Step 1: Write the proportion equation
70,040.12 : 105,061.08 = 23,292.99 : x - Step 2: Convert to fraction form
70,040.12/105,061.08 = 23,292.99/x - Step 3: Cross multiply
70,040.12x = 105,061.08 × 23,292.99 - Step 4: Simplify right side
70,040.12x = 2,447,186,773.18 - Step 5: Solve for x
x = 2,447,186,773.18/70,040.12 - Step 6: Final answer
x = 34,939.79
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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.