Finding the Fourth Proportional to 89,271.99, 133,908.75 and 22,712.19
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Solution
The fourth proportional to 89,271.99, 133,908.75 and 22,712.19 is: 34,068.48
Step by Step Solution
- Step 1: Write the proportion equation
89,271.99 : 133,908.75 = 22,712.19 : x - Step 2: Convert to fraction form
89,271.99/133,908.75 = 22,712.19/x - Step 3: Cross multiply
89,271.99x = 133,908.75 × 22,712.19 - Step 4: Simplify right side
89,271.99x = 3,041,360,972.66 - Step 5: Solve for x
x = 3,041,360,972.66/89,271.99 - Step 6: Final answer
x = 34,068.48
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1.5x scale
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.