Finding the Fourth Proportional to 105,594.42, 145,683.84 and 60,239.70
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Solution
The fourth proportional to 105,594.42, 145,683.84 and 60,239.70 is: 83,109.99
Step by Step Solution
- Step 1: Write the proportion equation
105,594.42 : 145,683.84 = 60,239.70 : x - Step 2: Convert to fraction form
105,594.42/145,683.84 = 60,239.70/x - Step 3: Cross multiply
105,594.42x = 145,683.84 × 60,239.70 - Step 4: Simplify right side
105,594.42x = 8,775,950,816.45 - Step 5: Solve for x
x = 8,775,950,816.45/105,594.42 - Step 6: Final answer
x = 83,109.99
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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.