Finding the Fourth Proportional to 124,397.19, 171,661.64 and 70,674.75
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Solution
The fourth proportional to 124,397.19, 171,661.64 and 70,674.75 is: 97,527.47
Step by Step Solution
- Step 1: Write the proportion equation
124,397.19 : 171,661.64 = 70,674.75 : x - Step 2: Convert to fraction form
124,397.19/171,661.64 = 70,674.75/x - Step 3: Cross multiply
124,397.19x = 171,661.64 × 70,674.75 - Step 4: Simplify right side
124,397.19x = 12,132,143,138.22 - Step 5: Solve for x
x = 12,132,143,138.22/124,397.19 - Step 6: Final answer
x = 97,527.47
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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.