Finding the Fourth Proportional to 93,297.46, 128,747.73 and 53,014.90
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Solution
The fourth proportional to 93,297.46, 128,747.73 and 53,014.90 is: 73,158.99
Step by Step Solution
- Step 1: Write the proportion equation
93,297.46 : 128,747.73 = 53,014.90 : x - Step 2: Convert to fraction form
93,297.46/128,747.73 = 53,014.90/x - Step 3: Cross multiply
93,297.46x = 128,747.73 × 53,014.90 - Step 4: Simplify right side
93,297.46x = 6,825,548,031.18 - Step 5: Solve for x
x = 6,825,548,031.18/93,297.46 - Step 6: Final answer
x = 73,158.99
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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.