Finding the Fourth Proportional to 93,642.48, 129,226.49 and 51,201.01
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Solution
The fourth proportional to 93,642.48, 129,226.49 and 51,201.01 is: 70,657.32
Step by Step Solution
- Step 1: Write the proportion equation
93,642.48 : 129,226.49 = 51,201.01 : x - Step 2: Convert to fraction form
93,642.48/129,226.49 = 51,201.01/x - Step 3: Cross multiply
93,642.48x = 129,226.49 × 51,201.01 - Step 4: Simplify right side
93,642.48x = 6,616,526,904.29 - Step 5: Solve for x
x = 6,616,526,904.29/93,642.48 - Step 6: Final answer
x = 70,657.32
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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.