Finding the Fourth Proportional to 97,364.23, 145,987.41 and 47,394.32
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Solution
The fourth proportional to 97,364.23, 145,987.41 and 47,394.32 is: 71,062.79
Step by Step Solution
- Step 1: Write the proportion equation
97,364.23 : 145,987.41 = 47,394.32 : x - Step 2: Convert to fraction form
97,364.23/145,987.41 = 47,394.32/x - Step 3: Cross multiply
97,364.23x = 145,987.41 × 47,394.32 - Step 4: Simplify right side
97,364.23x = 6,918,973,473.30 - Step 5: Solve for x
x = 6,918,973,473.30/97,364.23 - Step 6: Final answer
x = 71,062.79
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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.