Finding the Fourth Proportional to 70,236.99, 105,355.58 and 28,683.99
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Solution
The fourth proportional to 70,236.99, 105,355.58 and 28,683.99 is: 43,026.02
Step by Step Solution
- Step 1: Write the proportion equation
70,236.99 : 105,355.58 = 28,683.99 : x - Step 2: Convert to fraction form
70,236.99/105,355.58 = 28,683.99/x - Step 3: Cross multiply
70,236.99x = 105,355.58 × 28,683.99 - Step 4: Simplify right side
70,236.99x = 3,022,018,259.74 - Step 5: Solve for x
x = 3,022,018,259.74/70,236.99 - Step 6: Final answer
x = 43,026.02
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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.