Finding the Fourth Proportional to 96,678.99, 133,415.00 and 53,655.99
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Solution
The fourth proportional to 96,678.99, 133,415.00 and 53,655.99 is: 74,044.14
Step by Step Solution
- Step 1: Write the proportion equation
96,678.99 : 133,415.00 = 53,655.99 : x - Step 2: Convert to fraction form
96,678.99/133,415.00 = 53,655.99/x - Step 3: Cross multiply
96,678.99x = 133,415.00 × 53,655.99 - Step 4: Simplify right side
96,678.99x = 7,158,512,970.50 - Step 5: Solve for x
x = 7,158,512,970.50/96,678.99 - Step 6: Final answer
x = 74,044.14
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1.5x scale
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.