Finding the Fourth Proportional to 69,056.99, 103,585.18 and 19,136.94
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Solution
The fourth proportional to 69,056.99, 103,585.18 and 19,136.94 is: 28,705.32
Step by Step Solution
- Step 1: Write the proportion equation
69,056.99 : 103,585.18 = 19,136.94 : x - Step 2: Convert to fraction form
69,056.99/103,585.18 = 19,136.94/x - Step 3: Cross multiply
69,056.99x = 103,585.18 × 19,136.94 - Step 4: Simplify right side
69,056.99x = 1,982,303,115.59 - Step 5: Solve for x
x = 1,982,303,115.59/69,056.99 - Step 6: Final answer
x = 28,705.32
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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.