Finding the Fourth Proportional to 97,721.13, 146,603.24 and 55,621.05
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Solution
The fourth proportional to 97,721.13, 146,603.24 and 55,621.05 is: 83,443.84
Step by Step Solution
- Step 1: Write the proportion equation
97,721.13 : 146,603.24 = 55,621.05 : x - Step 2: Convert to fraction form
97,721.13/146,603.24 = 55,621.05/x - Step 3: Cross multiply
97,721.13x = 146,603.24 × 55,621.05 - Step 4: Simplify right side
97,721.13x = 8,154,225,864.10 - Step 5: Solve for x
x = 8,154,225,864.10/97,721.13 - Step 6: Final answer
x = 83,443.84
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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.