Finding the Fourth Proportional to 74,661.01, 103,024.73 and 45,976.08
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Solution
The fourth proportional to 74,661.01, 103,024.73 and 45,976.08 is: 63,442.39
Step by Step Solution
- Step 1: Write the proportion equation
74,661.01 : 103,024.73 = 45,976.08 : x - Step 2: Convert to fraction form
74,661.01/103,024.73 = 45,976.08/x - Step 3: Cross multiply
74,661.01x = 103,024.73 × 45,976.08 - Step 4: Simplify right side
74,661.01x = 4,736,672,741.02 - Step 5: Solve for x
x = 4,736,672,741.02/74,661.01 - Step 6: Final answer
x = 63,442.39
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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.