Finding the Fourth Proportional to 84,681.12, 116,855.99 and 48,882.67
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Solution
The fourth proportional to 84,681.12, 116,855.99 and 48,882.67 is: 67,455.79
Step by Step Solution
- Step 1: Write the proportion equation
84,681.12 : 116,855.99 = 48,882.67 : x - Step 2: Convert to fraction form
84,681.12/116,855.99 = 48,882.67/x - Step 3: Cross multiply
84,681.12x = 116,855.99 × 48,882.67 - Step 4: Simplify right side
84,681.12x = 5,712,232,212.41 - Step 5: Solve for x
x = 5,712,232,212.41/84,681.12 - Step 6: Final answer
x = 67,455.79
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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.