Finding the Fourth Proportional to 84,854.65, 127,334.53 and 49,332.68
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Solution
The fourth proportional to 84,854.65, 127,334.53 and 49,332.68 is: 74,029.58
Step by Step Solution
- Step 1: Write the proportion equation
84,854.65 : 127,334.53 = 49,332.68 : x - Step 2: Convert to fraction form
84,854.65/127,334.53 = 49,332.68/x - Step 3: Cross multiply
84,854.65x = 127,334.53 × 49,332.68 - Step 4: Simplify right side
84,854.65x = 6,281,753,621.44 - Step 5: Solve for x
x = 6,281,753,621.44/84,854.65 - Step 6: Final answer
x = 74,029.58
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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.