Finding the Fourth Proportional to 69,547.51, 104,373.66 and 27,438.65
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Solution
The fourth proportional to 69,547.51, 104,373.66 and 27,438.65 is: 41,178.65
Step by Step Solution
- Step 1: Write the proportion equation
69,547.51 : 104,373.66 = 27,438.65 : x - Step 2: Convert to fraction form
69,547.51/104,373.66 = 27,438.65/x - Step 3: Cross multiply
69,547.51x = 104,373.66 × 27,438.65 - Step 4: Simplify right side
69,547.51x = 2,863,872,298.39 - Step 5: Solve for x
x = 2,863,872,298.39/69,547.51 - Step 6: Final answer
x = 41,178.65
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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.