Finding the Fourth Proportional to 75,564.76, 113,351.20 and 22,970.28
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Solution
The fourth proportional to 75,564.76, 113,351.20 and 22,970.28 is: 34,456.65
Step by Step Solution
- Step 1: Write the proportion equation
75,564.76 : 113,351.20 = 22,970.28 : x - Step 2: Convert to fraction form
75,564.76/113,351.20 = 22,970.28/x - Step 3: Cross multiply
75,564.76x = 113,351.20 × 22,970.28 - Step 4: Simplify right side
75,564.76x = 2,603,708,802.34 - Step 5: Solve for x
x = 2,603,708,802.34/75,564.76 - Step 6: Final answer
x = 34,456.65
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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.