Finding the Fourth Proportional to 71,810.48, 107,548.52 and 69,319.28
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Solution
The fourth proportional to 71,810.48, 107,548.52 and 69,319.28 is: 103,817.52
Step by Step Solution
- Step 1: Write the proportion equation
71,810.48 : 107,548.52 = 69,319.28 : x - Step 2: Convert to fraction form
71,810.48/107,548.52 = 69,319.28/x - Step 3: Cross multiply
71,810.48x = 107,548.52 × 69,319.28 - Step 4: Simplify right side
71,810.48x = 7,455,185,971.47 - Step 5: Solve for x
x = 7,455,185,971.47/71,810.48 - Step 6: Final answer
x = 103,817.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.