Finding the Fourth Proportional to 70,140.57, 105,225.66 and 22,751.99
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Solution
The fourth proportional to 70,140.57, 105,225.66 and 22,751.99 is: 34,132.78
Step by Step Solution
- Step 1: Write the proportion equation
70,140.57 : 105,225.66 = 22,751.99 : x - Step 2: Convert to fraction form
70,140.57/105,225.66 = 22,751.99/x - Step 3: Cross multiply
70,140.57x = 105,225.66 × 22,751.99 - Step 4: Simplify right side
70,140.57x = 2,394,092,637.94 - Step 5: Solve for x
x = 2,394,092,637.94/70,140.57 - Step 6: Final answer
x = 34,132.78
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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.