Finding the Fourth Proportional to 97,343.67, 134,395.07 and 74,639.03
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Solution
The fourth proportional to 97,343.67, 134,395.07 and 74,639.03 is: 103,048.47
Step by Step Solution
- Step 1: Write the proportion equation
97,343.67 : 134,395.07 = 74,639.03 : x - Step 2: Convert to fraction form
97,343.67/134,395.07 = 74,639.03/x - Step 3: Cross multiply
97,343.67x = 134,395.07 × 74,639.03 - Step 4: Simplify right side
97,343.67x = 10,031,116,616.41 - Step 5: Solve for x
x = 10,031,116,616.41/97,343.67 - Step 6: Final answer
x = 103,048.47
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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.