Finding the Fourth Proportional to 75,191.02, 103,526.84 and 63,838.06
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Solution
The fourth proportional to 75,191.02, 103,526.84 and 63,838.06 is: 87,895.50
Step by Step Solution
- Step 1: Write the proportion equation
75,191.02 : 103,526.84 = 63,838.06 : x - Step 2: Convert to fraction form
75,191.02/103,526.84 = 63,838.06/x - Step 3: Cross multiply
75,191.02x = 103,526.84 × 63,838.06 - Step 4: Simplify right side
75,191.02x = 6,608,952,623.53 - Step 5: Solve for x
x = 6,608,952,623.53/75,191.02 - Step 6: Final answer
x = 87,895.50
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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.