Finding the Fourth Proportional to 97,497.99, 134,548.12 and 57,212.42
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Solution
The fourth proportional to 97,497.99, 134,548.12 and 57,212.42 is: 78,953.66
Step by Step Solution
- Step 1: Write the proportion equation
97,497.99 : 134,548.12 = 57,212.42 : x - Step 2: Convert to fraction form
97,497.99/134,548.12 = 57,212.42/x - Step 3: Cross multiply
97,497.99x = 134,548.12 × 57,212.42 - Step 4: Simplify right side
97,497.99x = 7,697,823,551.65 - Step 5: Solve for x
x = 7,697,823,551.65/97,497.99 - Step 6: Final answer
x = 78,953.66
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1.5x scale
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.