Finding the Fourth Proportional to 87,541.65, 120,802.52 and 51,734.99
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Solution
The fourth proportional to 87,541.65, 120,802.52 and 51,734.99 is: 71,391.36
Step by Step Solution
- Step 1: Write the proportion equation
87,541.65 : 120,802.52 = 51,734.99 : x - Step 2: Convert to fraction form
87,541.65/120,802.52 = 51,734.99/x - Step 3: Cross multiply
87,541.65x = 120,802.52 × 51,734.99 - Step 4: Simplify right side
87,541.65x = 6,249,717,595.52 - Step 5: Solve for x
x = 6,249,717,595.52/87,541.65 - Step 6: Final answer
x = 71,391.36
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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.