Finding the Fourth Proportional to 75,870.69, 104,592.75 and 59,709.99
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Solution
The fourth proportional to 75,870.69, 104,592.75 and 59,709.99 is: 82,314.16
Step by Step Solution
- Step 1: Write the proportion equation
75,870.69 : 104,592.75 = 59,709.99 : x - Step 2: Convert to fraction form
75,870.69/104,592.75 = 59,709.99/x - Step 3: Cross multiply
75,870.69x = 104,592.75 × 59,709.99 - Step 4: Simplify right side
75,870.69x = 6,245,232,056.57 - Step 5: Solve for x
x = 6,245,232,056.57/75,870.69 - Step 6: Final answer
x = 82,314.16
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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.