Finding the Fourth Proportional to 124,470.13, 171,739.25 and 70,750.91
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Solution
The fourth proportional to 124,470.13, 171,739.25 and 70,750.91 is: 97,619.48
Step by Step Solution
- Step 1: Write the proportion equation
124,470.13 : 171,739.25 = 70,750.91 : x - Step 2: Convert to fraction form
124,470.13/171,739.25 = 70,750.91/x - Step 3: Cross multiply
124,470.13x = 171,739.25 × 70,750.91 - Step 4: Simplify right side
124,470.13x = 12,150,708,902.13 - Step 5: Solve for x
x = 12,150,708,902.13/124,470.13 - Step 6: Final answer
x = 97,619.48
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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.