Finding the Fourth Proportional to 74,829.65, 103,278.08 and 44,616.83
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Solution
The fourth proportional to 74,829.65, 103,278.08 and 44,616.83 is: 61,579.07
Step by Step Solution
- Step 1: Write the proportion equation
74,829.65 : 103,278.08 = 44,616.83 : x - Step 2: Convert to fraction form
74,829.65/103,278.08 = 44,616.83/x - Step 3: Cross multiply
74,829.65x = 103,278.08 × 44,616.83 - Step 4: Simplify right side
74,829.65x = 4,607,940,133.24 - Step 5: Solve for x
x = 4,607,940,133.24/74,829.65 - Step 6: Final answer
x = 61,579.07
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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.