Finding the Fourth Proportional to 67,312.08, 100,957.14 and 47,530.80
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Solution
The fourth proportional to 67,312.08, 100,957.14 and 47,530.80 is: 71,288.45
Step by Step Solution
- Step 1: Write the proportion equation
67,312.08 : 100,957.14 = 47,530.80 : x - Step 2: Convert to fraction form
67,312.08/100,957.14 = 47,530.80/x - Step 3: Cross multiply
67,312.08x = 100,957.14 × 47,530.80 - Step 4: Simplify right side
67,312.08x = 4,798,573,629.91 - Step 5: Solve for x
x = 4,798,573,629.91/67,312.08 - Step 6: Final answer
x = 71,288.45
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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.