Finding the Fourth Proportional to 87,882.65, 121,277.36 and 47,595.48
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Solution
The fourth proportional to 87,882.65, 121,277.36 and 47,595.48 is: 65,681.39
Step by Step Solution
- Step 1: Write the proportion equation
87,882.65 : 121,277.36 = 47,595.48 : x - Step 2: Convert to fraction form
87,882.65/121,277.36 = 47,595.48/x - Step 3: Cross multiply
87,882.65x = 121,277.36 × 47,595.48 - Step 4: Simplify right side
87,882.65x = 5,772,253,924.36 - Step 5: Solve for x
x = 5,772,253,924.36/87,882.65 - Step 6: Final answer
x = 65,681.39
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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.