Finding the Fourth Proportional to 97,450.71, 134,487.38 and 68,779.55
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Solution
The fourth proportional to 97,450.71, 134,487.38 and 68,779.55 is: 94,919.59
Step by Step Solution
- Step 1: Write the proportion equation
97,450.71 : 134,487.38 = 68,779.55 : x - Step 2: Convert to fraction form
97,450.71/134,487.38 = 68,779.55/x - Step 3: Cross multiply
97,450.71x = 134,487.38 × 68,779.55 - Step 4: Simplify right side
97,450.71x = 9,249,981,477.08 - Step 5: Solve for x
x = 9,249,981,477.08/97,450.71 - Step 6: Final answer
x = 94,919.59
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1.5x scale
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.