Finding the Fourth Proportional to 81,493.06, 112,460.84 and 47,525.10
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Solution
The fourth proportional to 81,493.06, 112,460.84 and 47,525.10 is: 65,584.88
Step by Step Solution
- Step 1: Write the proportion equation
81,493.06 : 112,460.84 = 47,525.10 : x - Step 2: Convert to fraction form
81,493.06/112,460.84 = 47,525.10/x - Step 3: Cross multiply
81,493.06x = 112,460.84 × 47,525.10 - Step 4: Simplify right side
81,493.06x = 5,344,712,667.08 - Step 5: Solve for x
x = 5,344,712,667.08/81,493.06 - Step 6: Final answer
x = 65,584.88
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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.