Finding the Fourth Proportional to 75,167.04, 103,800.24 and 56,271.36
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Solution
The fourth proportional to 75,167.04, 103,800.24 and 56,271.36 is: 77,706.67
Step by Step Solution
- Step 1: Write the proportion equation
75,167.04 : 103,800.24 = 56,271.36 : x - Step 2: Convert to fraction form
75,167.04/103,800.24 = 56,271.36/x - Step 3: Cross multiply
75,167.04x = 103,800.24 × 56,271.36 - Step 4: Simplify right side
75,167.04x = 5,840,980,673.13 - Step 5: Solve for x
x = 5,840,980,673.13/75,167.04 - Step 6: Final answer
x = 77,706.67
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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.