Finding the Fourth Proportional to 97,038.72, 133,908.30 and 54,599.99
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Solution
The fourth proportional to 97,038.72, 133,908.30 and 54,599.99 is: 75,345.09
Step by Step Solution
- Step 1: Write the proportion equation
97,038.72 : 133,908.30 = 54,599.99 : x - Step 2: Convert to fraction form
97,038.72/133,908.30 = 54,599.99/x - Step 3: Cross multiply
97,038.72x = 133,908.30 × 54,599.99 - Step 4: Simplify right side
97,038.72x = 7,311,391,171.38 - Step 5: Solve for x
x = 7,311,391,171.38/97,038.72 - Step 6: Final answer
x = 75,345.09
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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.