Finding the Fourth Proportional to 96,783.57, 133,548.94 and 56,488.09
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Solution
The fourth proportional to 96,783.57, 133,548.94 and 56,488.09 is: 77,946.33
Step by Step Solution
- Step 1: Write the proportion equation
96,783.57 : 133,548.94 = 56,488.09 : x - Step 2: Convert to fraction form
96,783.57/133,548.94 = 56,488.09/x - Step 3: Cross multiply
96,783.57x = 133,548.94 × 56,488.09 - Step 4: Simplify right side
96,783.57x = 7,543,924,542.12 - Step 5: Solve for x
x = 7,543,924,542.12/96,783.57 - Step 6: Final answer
x = 77,946.33
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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.