Finding the Fourth Proportional to 97,417.28, 134,399.68 and 71,984.96
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Solution
The fourth proportional to 97,417.28, 134,399.68 and 71,984.96 is: 99,312.52
Step by Step Solution
- Step 1: Write the proportion equation
97,417.28 : 134,399.68 = 71,984.96 : x - Step 2: Convert to fraction form
97,417.28/134,399.68 = 71,984.96/x - Step 3: Cross multiply
97,417.28x = 134,399.68 × 71,984.96 - Step 4: Simplify right side
97,417.28x = 9,674,755,588.81 - Step 5: Solve for x
x = 9,674,755,588.81/97,417.28 - Step 6: Final answer
x = 99,312.52
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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.