Finding the Fourth Proportional to 110,975.12, 153,131.04 and 62,579.52
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Solution
The fourth proportional to 110,975.12, 153,131.04 and 62,579.52 is: 86,351.49
Step by Step Solution
- Step 1: Write the proportion equation
110,975.12 : 153,131.04 = 62,579.52 : x - Step 2: Convert to fraction form
110,975.12/153,131.04 = 62,579.52/x - Step 3: Cross multiply
110,975.12x = 153,131.04 × 62,579.52 - Step 4: Simplify right side
110,975.12x = 9,582,866,980.30 - Step 5: Solve for x
x = 9,582,866,980.30/110,975.12 - Step 6: Final answer
x = 86,351.49
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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.