Finding the Fourth Proportional to 89,257.10, 123,176.04 and 48,970.13
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Solution
The fourth proportional to 89,257.10, 123,176.04 and 48,970.13 is: 67,579.46
Step by Step Solution
- Step 1: Write the proportion equation
89,257.10 : 123,176.04 = 48,970.13 : x - Step 2: Convert to fraction form
89,257.10/123,176.04 = 48,970.13/x - Step 3: Cross multiply
89,257.10x = 123,176.04 × 48,970.13 - Step 4: Simplify right side
89,257.10x = 6,031,946,075.81 - Step 5: Solve for x
x = 6,031,946,075.81/89,257.10 - Step 6: Final answer
x = 67,579.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.