Finding the Fourth Proportional to 75,602.08, 104,331.54 and 42,068.08
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Solution
The fourth proportional to 75,602.08, 104,331.54 and 42,068.08 is: 58,054.32
Step by Step Solution
- Step 1: Write the proportion equation
75,602.08 : 104,331.54 = 42,068.08 : x - Step 2: Convert to fraction form
75,602.08/104,331.54 = 42,068.08/x - Step 3: Cross multiply
75,602.08x = 104,331.54 × 42,068.08 - Step 4: Simplify right side
75,602.08x = 4,389,027,571.24 - Step 5: Solve for x
x = 4,389,027,571.24/75,602.08 - Step 6: Final answer
x = 58,054.32
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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.