Finding the Fourth Proportional to 93,739.08, 129,362.16 and 53,456.70
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Solution
The fourth proportional to 93,739.08, 129,362.16 and 53,456.70 is: 73,771.52
Step by Step Solution
- Step 1: Write the proportion equation
93,739.08 : 129,362.16 = 53,456.70 : x - Step 2: Convert to fraction form
93,739.08/129,362.16 = 53,456.70/x - Step 3: Cross multiply
93,739.08x = 129,362.16 × 53,456.70 - Step 4: Simplify right side
93,739.08x = 6,915,274,178.47 - Step 5: Solve for x
x = 6,915,274,178.47/93,739.08 - Step 6: Final answer
x = 73,771.52
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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.