Finding the Fourth Proportional to 97,394.65, 134,366.43 and 56,551.80
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Solution
The fourth proportional to 97,394.65, 134,366.43 and 56,551.80 is: 78,019.31
Step by Step Solution
- Step 1: Write the proportion equation
97,394.65 : 134,366.43 = 56,551.80 : x - Step 2: Convert to fraction form
97,394.65/134,366.43 = 56,551.80/x - Step 3: Cross multiply
97,394.65x = 134,366.43 × 56,551.80 - Step 4: Simplify right side
97,394.65x = 7,598,663,476.07 - Step 5: Solve for x
x = 7,598,663,476.07/97,394.65 - Step 6: Final answer
x = 78,019.31
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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.