Finding the Fourth Proportional to 96,988.23, 145,387.98 and 46,374.09
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Solution
The fourth proportional to 96,988.23, 145,387.98 and 46,374.09 is: 69,516.02
Step by Step Solution
- Step 1: Write the proportion equation
96,988.23 : 145,387.98 = 46,374.09 : x - Step 2: Convert to fraction form
96,988.23/145,387.98 = 46,374.09/x - Step 3: Cross multiply
96,988.23x = 145,387.98 × 46,374.09 - Step 4: Simplify right side
96,988.23x = 6,742,235,269.44 - Step 5: Solve for x
x = 6,742,235,269.44/96,988.23 - Step 6: Final answer
x = 69,516.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.