Finding the Fourth Proportional to 93,368.30, 128,847.65 and 53,082.08
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Solution
The fourth proportional to 93,368.30, 128,847.65 and 53,082.08 is: 73,252.92
Step by Step Solution
- Step 1: Write the proportion equation
93,368.30 : 128,847.65 = 53,082.08 : x - Step 2: Convert to fraction form
93,368.30/128,847.65 = 53,082.08/x - Step 3: Cross multiply
93,368.30x = 128,847.65 × 53,082.08 - Step 4: Simplify right side
93,368.30x = 6,839,500,355.46 - Step 5: Solve for x
x = 6,839,500,355.46/93,368.30 - Step 6: Final answer
x = 73,252.92
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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.