Finding the Fourth Proportional to 70,944.86, 106,448.65 and 37,202.81
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Solution
The fourth proportional to 70,944.86, 106,448.65 and 37,202.81 is: 55,820.66
Step by Step Solution
- Step 1: Write the proportion equation
70,944.86 : 106,448.65 = 37,202.81 : x - Step 2: Convert to fraction form
70,944.86/106,448.65 = 37,202.81/x - Step 3: Cross multiply
70,944.86x = 106,448.65 × 37,202.81 - Step 4: Simplify right side
70,944.86x = 3,960,188,900.71 - Step 5: Solve for x
x = 3,960,188,900.71/70,944.86 - Step 6: Final answer
x = 55,820.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.