Finding the Fourth Proportional to 76,237.07, 105,204.30 and 43,973.00
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Solution
The fourth proportional to 76,237.07, 105,204.30 and 43,973.00 is: 60,681.09
Step by Step Solution
- Step 1: Write the proportion equation
76,237.07 : 105,204.30 = 43,973.00 : x - Step 2: Convert to fraction form
76,237.07/105,204.30 = 43,973.00/x - Step 3: Cross multiply
76,237.07x = 105,204.30 × 43,973.00 - Step 4: Simplify right side
76,237.07x = 4,626,148,157.88 - Step 5: Solve for x
x = 4,626,148,157.88/76,237.07 - Step 6: Final answer
x = 60,681.09
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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.