Finding the Fourth Proportional to 97,351.65, 134,406.09 and 74,647.02
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Solution
The fourth proportional to 97,351.65, 134,406.09 and 74,647.02 is: 103,059.52
Step by Step Solution
- Step 1: Write the proportion equation
97,351.65 : 134,406.09 = 74,647.02 : x - Step 2: Convert to fraction form
97,351.65/134,406.09 = 74,647.02/x - Step 3: Cross multiply
97,351.65x = 134,406.09 × 74,647.02 - Step 4: Simplify right side
97,351.65x = 10,033,014,088.35 - Step 5: Solve for x
x = 10,033,014,088.35/97,351.65 - Step 6: Final answer
x = 103,059.52
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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.