Finding the Fourth Proportional to 75,237.48, 104,303.07 and 71,242.68
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Solution
The fourth proportional to 75,237.48, 104,303.07 and 71,242.68 is: 98,765.01
Step by Step Solution
- Step 1: Write the proportion equation
75,237.48 : 104,303.07 = 71,242.68 : x - Step 2: Convert to fraction form
75,237.48/104,303.07 = 71,242.68/x - Step 3: Cross multiply
75,237.48x = 104,303.07 × 71,242.68 - Step 4: Simplify right side
75,237.48x = 7,430,830,239.03 - Step 5: Solve for x
x = 7,430,830,239.03/75,237.48 - Step 6: Final answer
x = 98,765.01
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.