Finding the Fourth Proportional to 105,329.99, 157,962.86 and 55,382.99
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Solution
The fourth proportional to 105,329.99, 157,962.86 and 55,382.99 is: 83,057.59
Step by Step Solution
- Step 1: Write the proportion equation
105,329.99 : 157,962.86 = 55,382.99 : x - Step 2: Convert to fraction form
105,329.99/157,962.86 = 55,382.99/x - Step 3: Cross multiply
105,329.99x = 157,962.86 × 55,382.99 - Step 4: Simplify right side
105,329.99x = 8,748,455,752.20 - Step 5: Solve for x
x = 8,748,455,752.20/105,329.99 - Step 6: Final answer
x = 83,057.59
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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.