Finding the Fourth Proportional to 68,335.61, 102,502.56 and 56,624.27
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Solution
The fourth proportional to 68,335.61, 102,502.56 and 56,624.27 is: 84,935.70
Step by Step Solution
- Step 1: Write the proportion equation
68,335.61 : 102,502.56 = 56,624.27 : x - Step 2: Convert to fraction form
68,335.61/102,502.56 = 56,624.27/x - Step 3: Cross multiply
68,335.61x = 102,502.56 × 56,624.27 - Step 4: Simplify right side
68,335.61x = 5,804,132,633.13 - Step 5: Solve for x
x = 5,804,132,633.13/68,335.61 - Step 6: Final answer
x = 84,935.70
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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.