Finding the Fourth Proportional to 96,869.38, 145,303.14 and 57,398.08
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Solution
The fourth proportional to 96,869.38, 145,303.14 and 57,398.08 is: 86,096.57
Step by Step Solution
- Step 1: Write the proportion equation
96,869.38 : 145,303.14 = 57,398.08 : x - Step 2: Convert to fraction form
96,869.38/145,303.14 = 57,398.08/x - Step 3: Cross multiply
96,869.38x = 145,303.14 × 57,398.08 - Step 4: Simplify right side
96,869.38x = 8,340,121,253.97 - Step 5: Solve for x
x = 8,340,121,253.97/96,869.38 - Step 6: Final answer
x = 86,096.57
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.