Finding the Fourth Proportional to 89,237.13, 133,817.63 and 47,090.67
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Solution
The fourth proportional to 89,237.13, 133,817.63 and 47,090.67 is: 70,615.92
Step by Step Solution
- Step 1: Write the proportion equation
89,237.13 : 133,817.63 = 47,090.67 : x - Step 2: Convert to fraction form
89,237.13/133,817.63 = 47,090.67/x - Step 3: Cross multiply
89,237.13x = 133,817.63 × 47,090.67 - Step 4: Simplify right side
89,237.13x = 6,301,561,619.06 - Step 5: Solve for x
x = 6,301,561,619.06/89,237.13 - Step 6: Final answer
x = 70,615.92
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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.