Finding the Fourth Proportional to 93,573.23, 129,130.91 and 53,287.01
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Solution
The fourth proportional to 93,573.23, 129,130.91 and 53,287.01 is: 73,535.99
Step by Step Solution
- Step 1: Write the proportion equation
93,573.23 : 129,130.91 = 53,287.01 : x - Step 2: Convert to fraction form
93,573.23/129,130.91 = 53,287.01/x - Step 3: Cross multiply
93,573.23x = 129,130.91 × 53,287.01 - Step 4: Simplify right side
93,573.23x = 6,880,999,501.28 - Step 5: Solve for x
x = 6,880,999,501.28/93,573.23 - Step 6: Final answer
x = 73,535.99
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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.