Finding the Fourth Proportional to 124,179.68, 171,391.58 and 70,469.70
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Solution
The fourth proportional to 124,179.68, 171,391.58 and 70,469.70 is: 97,261.59
Step by Step Solution
- Step 1: Write the proportion equation
124,179.68 : 171,391.58 = 70,469.70 : x - Step 2: Convert to fraction form
124,179.68/171,391.58 = 70,469.70/x - Step 3: Cross multiply
124,179.68x = 171,391.58 × 70,469.70 - Step 4: Simplify right side
124,179.68x = 12,077,913,225.13 - Step 5: Solve for x
x = 12,077,913,225.13/124,179.68 - Step 6: Final answer
x = 97,261.59
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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.