Finding the Fourth Proportional to 124,719.26, 172,106.10 and 71,004.12
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Solution
The fourth proportional to 124,719.26, 172,106.10 and 71,004.12 is: 97,982.00
Step by Step Solution
- Step 1: Write the proportion equation
124,719.26 : 172,106.10 = 71,004.12 : x - Step 2: Convert to fraction form
124,719.26/172,106.10 = 71,004.12/x - Step 3: Cross multiply
124,719.26x = 172,106.10 × 71,004.12 - Step 4: Simplify right side
124,719.26x = 12,220,242,177.13 - Step 5: Solve for x
x = 12,220,242,177.13/124,719.26 - Step 6: Final answer
x = 97,982.00
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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.