Finding the Fourth Proportional to 79,369.04, 119,053.56 and 37,689.68
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Solution
The fourth proportional to 79,369.04, 119,053.56 and 37,689.68 is: 56,534.52
Step by Step Solution
- Step 1: Write the proportion equation
79,369.04 : 119,053.56 = 37,689.68 : x - Step 2: Convert to fraction form
79,369.04/119,053.56 = 37,689.68/x - Step 3: Cross multiply
79,369.04x = 119,053.56 × 37,689.68 - Step 4: Simplify right side
79,369.04x = 4,487,090,579.26 - Step 5: Solve for x
x = 4,487,090,579.26/79,369.04 - Step 6: Final answer
x = 56,534.52
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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.