Finding the Fourth Proportional to 75,485.52, 113,228.69 and 22,895.06
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Solution
The fourth proportional to 75,485.52, 113,228.69 and 22,895.06 is: 34,342.71
Step by Step Solution
- Step 1: Write the proportion equation
75,485.52 : 113,228.69 = 22,895.06 : x - Step 2: Convert to fraction form
75,485.52/113,228.69 = 22,895.06/x - Step 3: Cross multiply
75,485.52x = 113,228.69 × 22,895.06 - Step 4: Simplify right side
75,485.52x = 2,592,376,970.65 - Step 5: Solve for x
x = 2,592,376,970.65/75,485.52 - Step 6: Final answer
x = 34,342.71
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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.