Finding the Fourth Proportional to 92,654.04, 138,979.70 and 29,477.99
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Solution
The fourth proportional to 92,654.04, 138,979.70 and 29,477.99 is: 44,216.54
Step by Step Solution
- Step 1: Write the proportion equation
92,654.04 : 138,979.70 = 29,477.99 : x - Step 2: Convert to fraction form
92,654.04/138,979.70 = 29,477.99/x - Step 3: Cross multiply
92,654.04x = 138,979.70 × 29,477.99 - Step 4: Simplify right side
92,654.04x = 4,096,841,364.51 - Step 5: Solve for x
x = 4,096,841,364.51/92,654.04 - Step 6: Final answer
x = 44,216.54
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1.5x scale
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.