Finding the Fourth Proportional to 87,557.04, 120,829.26 and 49,831.26
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Solution
The fourth proportional to 87,557.04, 120,829.26 and 49,831.26 is: 68,767.45
Step by Step Solution
- Step 1: Write the proportion equation
87,557.04 : 120,829.26 = 49,831.26 : x - Step 2: Convert to fraction form
87,557.04/120,829.26 = 49,831.26/x - Step 3: Cross multiply
87,557.04x = 120,829.26 × 49,831.26 - Step 4: Simplify right side
87,557.04x = 6,021,074,270.67 - Step 5: Solve for x
x = 6,021,074,270.67/87,557.04 - Step 6: Final answer
x = 68,767.45
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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.