Finding the Fourth Proportional to 93,204.64, 128,623.90 and 50,763.17
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Solution
The fourth proportional to 93,204.64, 128,623.90 and 50,763.17 is: 70,053.99
Step by Step Solution
- Step 1: Write the proportion equation
93,204.64 : 128,623.90 = 50,763.17 : x - Step 2: Convert to fraction form
93,204.64/128,623.90 = 50,763.17/x - Step 3: Cross multiply
93,204.64x = 128,623.90 × 50,763.17 - Step 4: Simplify right side
93,204.64x = 6,529,357,191.60 - Step 5: Solve for x
x = 6,529,357,191.60/93,204.64 - Step 6: Final answer
x = 70,053.99
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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.