Finding the Fourth Proportional to 72,146.93, 107,692.06 and 63,624.98
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Solution
The fourth proportional to 72,146.93, 107,692.06 and 63,624.98 is: 94,971.55
Step by Step Solution
- Step 1: Write the proportion equation
72,146.93 : 107,692.06 = 63,624.98 : x - Step 2: Convert to fraction form
72,146.93/107,692.06 = 63,624.98/x - Step 3: Cross multiply
72,146.93x = 107,692.06 × 63,624.98 - Step 4: Simplify right side
72,146.93x = 6,851,905,273.83 - Step 5: Solve for x
x = 6,851,905,273.83/72,146.93 - Step 6: Final answer
x = 94,971.55
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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.