Finding the Fourth Proportional to 93,901.68, 129,583.80 and 51,458.76
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Solution
The fourth proportional to 93,901.68, 129,583.80 and 51,458.76 is: 71,012.80
Step by Step Solution
- Step 1: Write the proportion equation
93,901.68 : 129,583.80 = 51,458.76 : x - Step 2: Convert to fraction form
93,901.68/129,583.80 = 51,458.76/x - Step 3: Cross multiply
93,901.68x = 129,583.80 × 51,458.76 - Step 4: Simplify right side
93,901.68x = 6,668,221,664.09 - Step 5: Solve for x
x = 6,668,221,664.09/93,901.68 - Step 6: Final answer
x = 71,012.80
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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.