Finding the Fourth Proportional to 71,669.80, 106,899.99 and 62,235.63
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Solution
The fourth proportional to 71,669.80, 106,899.99 and 62,235.63 is: 92,828.34
Step by Step Solution
- Step 1: Write the proportion equation
71,669.80 : 106,899.99 = 62,235.63 : x - Step 2: Convert to fraction form
71,669.80/106,899.99 = 62,235.63/x - Step 3: Cross multiply
71,669.80x = 106,899.99 × 62,235.63 - Step 4: Simplify right side
71,669.80x = 6,652,988,224.64 - Step 5: Solve for x
x = 6,652,988,224.64/71,669.80 - Step 6: Final answer
x = 92,828.34
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.