Finding the Fourth Proportional to 93,246.26, 128,577.87 and 62,979.03
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Solution
The fourth proportional to 93,246.26, 128,577.87 and 62,979.03 is: 86,842.20
Step by Step Solution
- Step 1: Write the proportion equation
93,246.26 : 128,577.87 = 62,979.03 : x - Step 2: Convert to fraction form
93,246.26/128,577.87 = 62,979.03/x - Step 3: Cross multiply
93,246.26x = 128,577.87 × 62,979.03 - Step 4: Simplify right side
93,246.26x = 8,097,709,532.07 - Step 5: Solve for x
x = 8,097,709,532.07/93,246.26 - Step 6: Final answer
x = 86,842.20
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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.