Finding the Fourth Proportional to 78,624.80, 108,501.15 and 44,632.99
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Solution
The fourth proportional to 78,624.80, 108,501.15 and 44,632.99 is: 61,592.92
Step by Step Solution
- Step 1: Write the proportion equation
78,624.80 : 108,501.15 = 44,632.99 : x - Step 2: Convert to fraction form
78,624.80/108,501.15 = 44,632.99/x - Step 3: Cross multiply
78,624.80x = 108,501.15 × 44,632.99 - Step 4: Simplify right side
78,624.80x = 4,842,730,854.52 - Step 5: Solve for x
x = 4,842,730,854.52/78,624.80 - Step 6: Final answer
x = 61,592.92
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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.