Finding the Fourth Proportional to 93,749.40, 129,358.62 and 53,466.08
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Solution
The fourth proportional to 93,749.40, 129,358.62 and 53,466.08 is: 73,774.31
Step by Step Solution
- Step 1: Write the proportion equation
93,749.40 : 129,358.62 = 53,466.08 : x - Step 2: Convert to fraction form
93,749.40/129,358.62 = 53,466.08/x - Step 3: Cross multiply
93,749.40x = 129,358.62 × 53,466.08 - Step 4: Simplify right side
93,749.40x = 6,916,297,678.82 - Step 5: Solve for x
x = 6,916,297,678.82/93,749.40 - Step 6: Final answer
x = 73,774.31
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1.5x scale
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.